72487660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:288

約数の個数: 144

約数和(自身を含む): 198223200

約数和(自身を除く): 125735540

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 49, 68, 70, 76, 85, 95, 98, 119, 133, 140, 170, 190, 196, 229, 238, 245, 266, 323, 340, 380, 458, 476, 490, 532, 595, 646, 665, 833, 916, 931, 980, 1145, 1190, 1292, 1330, 1603, 1615, 1666, 1862, 2261, 2290, 2380, 2660, 3206, 3230, 3332, 3724, 3893, 4165, 4351, 4522, 4580, 4655, 6412, 6460, 7786, 8015, 8330, 8702, 9044, 9310, 11221, 11305, 15572, 15827, 16030, 16660, 17404, 18620, 19465, 21755, 22442, 22610, 27251, 30457, 31654, 32060, 38930, 43510, 44884, 45220, 54502, 56105, 60914, 63308, 73967, 77860, 79135, 87020, 109004, 112210, 121828, 136255, 147934, 152285, 158270, 190757, 213199, 224420, 272510, 295868, 304570, 316540, 369835, 381514, 426398, 517769, 545020, 609140, 739670, 763028, 852796, 953785, 1035538, 1065995, 1479340, 1907570, 2071076, 2131990, 2588845, 3624383, 3815140, 4263980, 5177690, 7248766, 10355380, 14497532, 18121915, 36243830, 72487660]

約数ペア:

[(1, 72487660), (2, 36243830), (4, 18121915), (5, 14497532), (7, 10355380), (10, 7248766), (14, 5177690), (17, 4263980), (19, 3815140), (20, 3624383), (28, 2588845), (34, 2131990), (35, 2071076), (38, 1907570), (49, 1479340), (68, 1065995), (70, 1035538), (76, 953785), (85, 852796), (95, 763028), (98, 739670), (119, 609140), (133, 545020), (140, 517769), (170, 426398), (190, 381514), (196, 369835), (229, 316540), (238, 304570), (245, 295868), (266, 272510), (323, 224420), (340, 213199), (380, 190757), (458, 158270), (476, 152285), (490, 147934), (532, 136255), (595, 121828), (646, 112210), (665, 109004), (833, 87020), (916, 79135), (931, 77860), (980, 73967), (1145, 63308), (1190, 60914), (1292, 56105), (1330, 54502), (1603, 45220), (1615, 44884), (1666, 43510), (1862, 38930), (2261, 32060), (2290, 31654), (2380, 30457), (2660, 27251), (3206, 22610), (3230, 22442), (3332, 21755), (3724, 19465), (3893, 18620), (4165, 17404), (4351, 16660), (4522, 16030), (4580, 15827), (4655, 15572), (6412, 11305), (6460, 11221), (7786, 9310), (8015, 9044), (8330, 8702)]