72171450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^3\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 212929080

約数和(自身を除く): 140757630

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 73, 75, 78, 90, 117, 130, 146, 150, 169, 195, 219, 225, 234, 325, 338, 365, 390, 438, 450, 507, 585, 650, 657, 730, 845, 949, 975, 1014, 1095, 1170, 1314, 1521, 1690, 1825, 1898, 1950, 2190, 2197, 2535, 2847, 2925, 3042, 3285, 3650, 4225, 4394, 4745, 5070, 5475, 5694, 5850, 6570, 6591, 7605, 8450, 8541, 9490, 10950, 10985, 12337, 12675, 13182, 14235, 15210, 16425, 17082, 19773, 21970, 23725, 24674, 25350, 28470, 32850, 32955, 37011, 38025, 39546, 42705, 47450, 54925, 61685, 65910, 71175, 74022, 76050, 85410, 98865, 109850, 111033, 123370, 142350, 160381, 164775, 185055, 197730, 213525, 222066, 308425, 320762, 329550, 370110, 427050, 481143, 494325, 555165, 616850, 801905, 925275, 962286, 988650, 1110330, 1443429, 1603810, 1850550, 2405715, 2775825, 2886858, 4009525, 4811430, 5551650, 7217145, 8019050, 12028575, 14434290, 24057150, 36085725, 72171450]

約数ペア:

[(1, 72171450), (2, 36085725), (3, 24057150), (5, 14434290), (6, 12028575), (9, 8019050), (10, 7217145), (13, 5551650), (15, 4811430), (18, 4009525), (25, 2886858), (26, 2775825), (30, 2405715), (39, 1850550), (45, 1603810), (50, 1443429), (65, 1110330), (73, 988650), (75, 962286), (78, 925275), (90, 801905), (117, 616850), (130, 555165), (146, 494325), (150, 481143), (169, 427050), (195, 370110), (219, 329550), (225, 320762), (234, 308425), (325, 222066), (338, 213525), (365, 197730), (390, 185055), (438, 164775), (450, 160381), (507, 142350), (585, 123370), (650, 111033), (657, 109850), (730, 98865), (845, 85410), (949, 76050), (975, 74022), (1014, 71175), (1095, 65910), (1170, 61685), (1314, 54925), (1521, 47450), (1690, 42705), (1825, 39546), (1898, 38025), (1950, 37011), (2190, 32955), (2197, 32850), (2535, 28470), (2847, 25350), (2925, 24674), (3042, 23725), (3285, 21970), (3650, 19773), (4225, 17082), (4394, 16425), (4745, 15210), (5070, 14235), (5475, 13182), (5694, 12675), (5850, 12337), (6570, 10985), (6591, 10950), (7605, 9490), (8450, 8541)]