1680524820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:501

約数の個数: 288

約数和(自身を含む): 5792562048

約数和(自身を除く): 4112037228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 67, 78, 81, 90, 108, 117, 130, 134, 135, 156, 162, 180, 195, 201, 234, 243, 260, 268, 270, 324, 335, 351, 390, 397, 402, 405, 468, 486, 540, 585, 603, 670, 702, 780, 794, 804, 810, 871, 972, 1005, 1053, 1170, 1191, 1206, 1215, 1340, 1404, 1588, 1620, 1742, 1755, 1809, 1985, 2010, 2106, 2340, 2382, 2412, 2430, 2613, 3015, 3159, 3484, 3510, 3573, 3618, 3970, 4020, 4212, 4355, 4764, 4860, 5161, 5226, 5265, 5427, 5955, 6030, 6318, 7020, 7146, 7236, 7839, 7940, 8710, 9045, 10322, 10452, 10530, 10719, 10854, 11910, 12060, 12636, 13065, 14292, 15483, 15678, 15795, 16281, 17420, 17865, 18090, 20644, 21060, 21438, 21708, 23517, 23820, 25805, 26130, 26599, 27135, 30966, 31356, 31590, 32157, 32562, 35730, 36180, 39195, 42876, 46449, 47034, 51610, 52260, 53198, 53595, 54270, 61932, 63180, 64314, 65124, 70551, 71460, 77415, 78390, 79797, 81405, 92898, 94068, 96471, 103220, 106396, 107190, 108540, 117585, 128628, 132995, 139347, 141102, 154830, 156780, 159594, 160785, 162810, 185796, 192942, 211653, 214380, 232245, 235170, 239391, 265990, 278694, 282204, 309660, 319188, 321570, 325620, 345787, 352755, 385884, 398985, 418041, 423306, 464490, 470340, 478782, 482355, 531980, 557388, 643140, 691574, 696735, 705510, 718173, 797970, 836082, 846612, 928980, 957564, 964710, 1037361, 1058265, 1196955, 1254123, 1383148, 1393470, 1411020, 1436346, 1595940, 1672164, 1728935, 1929420, 2074722, 2090205, 2116530, 2154519, 2393910, 2508246, 2786940, 2872692, 3112083, 3457870, 3590865, 4149444, 4180410, 4233060, 4309038, 4787820, 5016492, 5186805, 6224166, 6270615, 6463557, 6915740, 7181730, 8360820, 8618076, 9336249, 10373610, 10772595, 12448332, 12541230, 12927114, 14363460, 15560415, 18672498, 20747220, 21545190, 25082460, 25854228, 28008747, 31120830, 32317785, 37344996, 43090380, 46681245, 56017494, 62241660, 64635570, 84026241, 93362490, 112034988, 129271140, 140043735, 168052482, 186724980, 280087470, 336104964, 420131205, 560174940, 840262410, 1680524820]

約数ペア:

[(1, 1680524820), (2, 840262410), (3, 560174940), (4, 420131205), (5, 336104964), (6, 280087470), (9, 186724980), (10, 168052482), (12, 140043735), (13, 129271140), (15, 112034988), (18, 93362490), (20, 84026241), (26, 64635570), (27, 62241660), (30, 56017494), (36, 46681245), (39, 43090380), (45, 37344996), (52, 32317785), (54, 31120830), (60, 28008747), (65, 25854228), (67, 25082460), (78, 21545190), (81, 20747220), (90, 18672498), (108, 15560415), (117, 14363460), (130, 12927114), (134, 12541230), (135, 12448332), (156, 10772595), (162, 10373610), (180, 9336249), (195, 8618076), (201, 8360820), (234, 7181730), (243, 6915740), (260, 6463557), (268, 6270615), (270, 6224166), (324, 5186805), (335, 5016492), (351, 4787820), (390, 4309038), (397, 4233060), (402, 4180410), (405, 4149444), (468, 3590865), (486, 3457870), (540, 3112083), (585, 2872692), (603, 2786940), (670, 2508246), (702, 2393910), (780, 2154519), (794, 2116530), (804, 2090205), (810, 2074722), (871, 1929420), (972, 1728935), (1005, 1672164), (1053, 1595940), (1170, 1436346), (1191, 1411020), (1206, 1393470), (1215, 1383148), (1340, 1254123), (1404, 1196955), (1588, 1058265), (1620, 1037361), (1742, 964710), (1755, 957564), (1809, 928980), (1985, 846612), (2010, 836082), (2106, 797970), (2340, 718173), (2382, 705510), (2412, 696735), (2430, 691574), (2613, 643140), (3015, 557388), (3159, 531980), (3484, 482355), (3510, 478782), (3573, 470340), (3618, 464490), (3970, 423306), (4020, 418041), (4212, 398985), (4355, 385884), (4764, 352755), (4860, 345787), (5161, 325620), (5226, 321570), (5265, 319188), (5427, 309660), (5955, 282204), (6030, 278694), (6318, 265990), (7020, 239391), (7146, 235170), (7236, 232245), (7839, 214380), (7940, 211653), (8710, 192942), (9045, 185796), (10322, 162810), (10452, 160785), (10530, 159594), (10719, 156780), (10854, 154830), (11910, 141102), (12060, 139347), (12636, 132995), (13065, 128628), (14292, 117585), (15483, 108540), (15678, 107190), (15795, 106396), (16281, 103220), (17420, 96471), (17865, 94068), (18090, 92898), (20644, 81405), (21060, 79797), (21438, 78390), (21708, 77415), (23517, 71460), (23820, 70551), (25805, 65124), (26130, 64314), (26599, 63180), (27135, 61932), (30966, 54270), (31356, 53595), (31590, 53198), (32157, 52260), (32562, 51610), (35730, 47034), (36180, 46449), (39195, 42876)]