238487580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18661}}^1$

素因数の和:18747

約数の個数: 72

約数和(自身を含む): 733640544

約数和(自身を除く): 495152964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 18661, 37322, 55983, 74644, 93305, 111966, 167949, 186610, 223932, 279915, 335898, 373220, 559830, 671796, 839745, 1119660, 1324931, 1679490, 2649862, 3358980, 3974793, 5299724, 6624655, 7949586, 11924379, 13249310, 15899172, 19873965, 23848758, 26498620, 39747930, 47697516, 59621895, 79495860, 119243790, 238487580]

約数ペア:

[(1, 238487580), (2, 119243790), (3, 79495860), (4, 59621895), (5, 47697516), (6, 39747930), (9, 26498620), (10, 23848758), (12, 19873965), (15, 15899172), (18, 13249310), (20, 11924379), (30, 7949586), (36, 6624655), (45, 5299724), (60, 3974793), (71, 3358980), (90, 2649862), (142, 1679490), (180, 1324931), (213, 1119660), (284, 839745), (355, 671796), (426, 559830), (639, 373220), (710, 335898), (852, 279915), (1065, 223932), (1278, 186610), (1420, 167949), (2130, 111966), (2556, 93305), (3195, 74644), (4260, 55983), (6390, 37322), (12780, 18661)]