31743180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 216

約数和(自身を含む): 115773840

約数和(自身を除く): 84030660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 59, 60, 61, 63, 70, 84, 90, 98, 105, 118, 122, 126, 140, 147, 177, 180, 183, 196, 210, 236, 244, 245, 252, 294, 295, 305, 315, 354, 366, 413, 420, 427, 441, 490, 531, 549, 588, 590, 610, 630, 708, 732, 735, 826, 854, 882, 885, 915, 980, 1062, 1098, 1180, 1220, 1239, 1260, 1281, 1470, 1652, 1708, 1764, 1770, 1830, 2065, 2124, 2135, 2196, 2205, 2478, 2562, 2655, 2745, 2891, 2940, 2989, 3540, 3599, 3660, 3717, 3843, 4130, 4270, 4410, 4956, 5124, 5310, 5490, 5782, 5978, 6195, 6405, 7198, 7434, 7686, 8260, 8540, 8673, 8820, 8967, 10620, 10797, 10980, 11564, 11956, 12390, 12810, 14396, 14455, 14868, 14945, 15372, 17346, 17934, 17995, 18585, 19215, 21594, 24780, 25193, 25620, 26019, 26901, 28910, 29890, 32391, 34692, 35868, 35990, 37170, 38430, 43188, 43365, 44835, 50386, 52038, 53802, 53985, 57820, 59780, 64782, 71980, 74340, 75579, 76860, 86730, 89670, 100772, 104076, 107604, 107970, 125965, 129564, 130095, 134505, 151158, 161955, 173460, 176351, 179340, 215940, 226737, 251930, 260190, 269010, 302316, 323910, 352702, 377895, 453474, 503860, 520380, 529053, 538020, 647820, 705404, 755790, 881755, 906948, 1058106, 1133685, 1511580, 1587159, 1763510, 2116212, 2267370, 2645265, 3174318, 3527020, 4534740, 5290530, 6348636, 7935795, 10581060, 15871590, 31743180]

約数ペア:

[(1, 31743180), (2, 15871590), (3, 10581060), (4, 7935795), (5, 6348636), (6, 5290530), (7, 4534740), (9, 3527020), (10, 3174318), (12, 2645265), (14, 2267370), (15, 2116212), (18, 1763510), (20, 1587159), (21, 1511580), (28, 1133685), (30, 1058106), (35, 906948), (36, 881755), (42, 755790), (45, 705404), (49, 647820), (59, 538020), (60, 529053), (61, 520380), (63, 503860), (70, 453474), (84, 377895), (90, 352702), (98, 323910), (105, 302316), (118, 269010), (122, 260190), (126, 251930), (140, 226737), (147, 215940), (177, 179340), (180, 176351), (183, 173460), (196, 161955), (210, 151158), (236, 134505), (244, 130095), (245, 129564), (252, 125965), (294, 107970), (295, 107604), (305, 104076), (315, 100772), (354, 89670), (366, 86730), (413, 76860), (420, 75579), (427, 74340), (441, 71980), (490, 64782), (531, 59780), (549, 57820), (588, 53985), (590, 53802), (610, 52038), (630, 50386), (708, 44835), (732, 43365), (735, 43188), (826, 38430), (854, 37170), (882, 35990), (885, 35868), (915, 34692), (980, 32391), (1062, 29890), (1098, 28910), (1180, 26901), (1220, 26019), (1239, 25620), (1260, 25193), (1281, 24780), (1470, 21594), (1652, 19215), (1708, 18585), (1764, 17995), (1770, 17934), (1830, 17346), (2065, 15372), (2124, 14945), (2135, 14868), (2196, 14455), (2205, 14396), (2478, 12810), (2562, 12390), (2655, 11956), (2745, 11564), (2891, 10980), (2940, 10797), (2989, 10620), (3540, 8967), (3599, 8820), (3660, 8673), (3717, 8540), (3843, 8260), (4130, 7686), (4270, 7434), (4410, 7198), (4956, 6405), (5124, 6195), (5310, 5978), (5490, 5782)]