678345720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:167

約数の個数: 256

約数和(自身を含む): 2303078400

約数和(自身を除く): 1624732680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 83, 93, 104, 120, 124, 130, 155, 156, 166, 169, 186, 195, 248, 249, 260, 310, 312, 332, 338, 372, 390, 403, 415, 465, 498, 507, 520, 620, 664, 676, 744, 780, 806, 830, 845, 930, 996, 1014, 1079, 1209, 1240, 1245, 1352, 1560, 1612, 1660, 1690, 1860, 1992, 2015, 2028, 2158, 2197, 2418, 2490, 2535, 2573, 3224, 3237, 3320, 3380, 3720, 4030, 4056, 4316, 4394, 4836, 4980, 5070, 5146, 5239, 5395, 6045, 6474, 6591, 6760, 7719, 8060, 8632, 8788, 9672, 9960, 10140, 10292, 10478, 10790, 10985, 12090, 12865, 12948, 13182, 14027, 15438, 15717, 16120, 16185, 17576, 20280, 20584, 20956, 21580, 21970, 24180, 25730, 25896, 26195, 26364, 28054, 30876, 31434, 32370, 32955, 33449, 38595, 41912, 42081, 43160, 43940, 48360, 51460, 52390, 52728, 56108, 61752, 62868, 64740, 65910, 66898, 68107, 70135, 77190, 78585, 84162, 87880, 100347, 102920, 104780, 112216, 125736, 129480, 131820, 133796, 136214, 140270, 154380, 157170, 167245, 168324, 182351, 200694, 204321, 209560, 210405, 263640, 267592, 272428, 280540, 308760, 314340, 334490, 336648, 340535, 364702, 401388, 408642, 420810, 434837, 501735, 544856, 547053, 561080, 628680, 668980, 681070, 729404, 802776, 817284, 841620, 869674, 911755, 1003470, 1021605, 1094106, 1304511, 1337960, 1362140, 1458808, 1634568, 1683240, 1739348, 1823510, 2006940, 2043210, 2174185, 2188212, 2609022, 2724280, 2735265, 3478696, 3647020, 4013880, 4086420, 4348370, 4376424, 5218044, 5470530, 5652881, 6522555, 7294040, 8172840, 8696740, 10436088, 10941060, 11305762, 13045110, 16958643, 17393480, 21882120, 22611524, 26090220, 28264405, 33917286, 45223048, 52180440, 56528810, 67834572, 84793215, 113057620, 135669144, 169586430, 226115240, 339172860, 678345720]

約数ペア:

[(1, 678345720), (2, 339172860), (3, 226115240), (4, 169586430), (5, 135669144), (6, 113057620), (8, 84793215), (10, 67834572), (12, 56528810), (13, 52180440), (15, 45223048), (20, 33917286), (24, 28264405), (26, 26090220), (30, 22611524), (31, 21882120), (39, 17393480), (40, 16958643), (52, 13045110), (60, 11305762), (62, 10941060), (65, 10436088), (78, 8696740), (83, 8172840), (93, 7294040), (104, 6522555), (120, 5652881), (124, 5470530), (130, 5218044), (155, 4376424), (156, 4348370), (166, 4086420), (169, 4013880), (186, 3647020), (195, 3478696), (248, 2735265), (249, 2724280), (260, 2609022), (310, 2188212), (312, 2174185), (332, 2043210), (338, 2006940), (372, 1823510), (390, 1739348), (403, 1683240), (415, 1634568), (465, 1458808), (498, 1362140), (507, 1337960), (520, 1304511), (620, 1094106), (664, 1021605), (676, 1003470), (744, 911755), (780, 869674), (806, 841620), (830, 817284), (845, 802776), (930, 729404), (996, 681070), (1014, 668980), (1079, 628680), (1209, 561080), (1240, 547053), (1245, 544856), (1352, 501735), (1560, 434837), (1612, 420810), (1660, 408642), (1690, 401388), (1860, 364702), (1992, 340535), (2015, 336648), (2028, 334490), (2158, 314340), (2197, 308760), (2418, 280540), (2490, 272428), (2535, 267592), (2573, 263640), (3224, 210405), (3237, 209560), (3320, 204321), (3380, 200694), (3720, 182351), (4030, 168324), (4056, 167245), (4316, 157170), (4394, 154380), (4836, 140270), (4980, 136214), (5070, 133796), (5146, 131820), (5239, 129480), (5395, 125736), (6045, 112216), (6474, 104780), (6591, 102920), (6760, 100347), (7719, 87880), (8060, 84162), (8632, 78585), (8788, 77190), (9672, 70135), (9960, 68107), (10140, 66898), (10292, 65910), (10478, 64740), (10790, 62868), (10985, 61752), (12090, 56108), (12865, 52728), (12948, 52390), (13182, 51460), (14027, 48360), (15438, 43940), (15717, 43160), (16120, 42081), (16185, 41912), (17576, 38595), (20280, 33449), (20584, 32955), (20956, 32370), (21580, 31434), (21970, 30876), (24180, 28054), (25730, 26364), (25896, 26195)]