121214320

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:554

約数の個数: 80

約数和(自身を含む): 291990240

約数和(自身を除く): 170775920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 61, 80, 118, 122, 236, 244, 295, 305, 421, 472, 488, 590, 610, 842, 944, 976, 1180, 1220, 1684, 2105, 2360, 2440, 3368, 3599, 4210, 4720, 4880, 6736, 7198, 8420, 14396, 16840, 17995, 24839, 25681, 28792, 33680, 35990, 49678, 51362, 57584, 71980, 99356, 102724, 124195, 128405, 143960, 198712, 205448, 248390, 256810, 287920, 397424, 410896, 496780, 513620, 993560, 1027240, 1515179, 1987120, 2054480, 3030358, 6060716, 7575895, 12121432, 15151790, 24242864, 30303580, 60607160, 121214320]

約数ペア:

[(1, 121214320), (2, 60607160), (4, 30303580), (5, 24242864), (8, 15151790), (10, 12121432), (16, 7575895), (20, 6060716), (40, 3030358), (59, 2054480), (61, 1987120), (80, 1515179), (118, 1027240), (122, 993560), (236, 513620), (244, 496780), (295, 410896), (305, 397424), (421, 287920), (472, 256810), (488, 248390), (590, 205448), (610, 198712), (842, 143960), (944, 128405), (976, 124195), (1180, 102724), (1220, 99356), (1684, 71980), (2105, 57584), (2360, 51362), (2440, 49678), (3368, 35990), (3599, 33680), (4210, 28792), (4720, 25681), (4880, 24839), (6736, 17995), (7198, 16840), (8420, 14396)]