71423820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:392

約数の個数: 144

約数和(自身を含む): 236107872

約数和(自身を除く): 164684052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 131, 156, 180, 195, 233, 234, 260, 262, 390, 393, 466, 468, 524, 585, 655, 699, 780, 786, 932, 1165, 1170, 1179, 1310, 1398, 1572, 1703, 1965, 2097, 2330, 2340, 2358, 2620, 2796, 3029, 3406, 3495, 3930, 4194, 4660, 4716, 5109, 5895, 6058, 6812, 6990, 7860, 8388, 8515, 9087, 10218, 10485, 11790, 12116, 13980, 15145, 15327, 17030, 18174, 20436, 20970, 23580, 25545, 27261, 30290, 30523, 30654, 34060, 36348, 41940, 45435, 51090, 54522, 60580, 61046, 61308, 76635, 90870, 91569, 102180, 109044, 122092, 136305, 152615, 153270, 181740, 183138, 272610, 274707, 305230, 306540, 366276, 396799, 457845, 545220, 549414, 610460, 793598, 915690, 1098828, 1190397, 1373535, 1587196, 1831380, 1983995, 2380794, 2747070, 3571191, 3967990, 4761588, 5494140, 5951985, 7142382, 7935980, 11903970, 14284764, 17855955, 23807940, 35711910, 71423820]

約数ペア:

[(1, 71423820), (2, 35711910), (3, 23807940), (4, 17855955), (5, 14284764), (6, 11903970), (9, 7935980), (10, 7142382), (12, 5951985), (13, 5494140), (15, 4761588), (18, 3967990), (20, 3571191), (26, 2747070), (30, 2380794), (36, 1983995), (39, 1831380), (45, 1587196), (52, 1373535), (60, 1190397), (65, 1098828), (78, 915690), (90, 793598), (117, 610460), (130, 549414), (131, 545220), (156, 457845), (180, 396799), (195, 366276), (233, 306540), (234, 305230), (260, 274707), (262, 272610), (390, 183138), (393, 181740), (466, 153270), (468, 152615), (524, 136305), (585, 122092), (655, 109044), (699, 102180), (780, 91569), (786, 90870), (932, 76635), (1165, 61308), (1170, 61046), (1179, 60580), (1310, 54522), (1398, 51090), (1572, 45435), (1703, 41940), (1965, 36348), (2097, 34060), (2330, 30654), (2340, 30523), (2358, 30290), (2620, 27261), (2796, 25545), (3029, 23580), (3406, 20970), (3495, 20436), (3930, 18174), (4194, 17030), (4660, 15327), (4716, 15145), (5109, 13980), (5895, 12116), (6058, 11790), (6812, 10485), (6990, 10218), (7860, 9087), (8388, 8515)]