280061520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61417}}^1$

素因数の和:61452

約数の個数: 80

約数和(自身を含む): 913899840

約数和(自身を除く): 633838320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 61417, 122834, 184251, 245668, 307085, 368502, 491336, 614170, 737004, 921255, 982672, 1166923, 1228340, 1474008, 1842510, 2333846, 2456680, 2948016, 3500769, 3685020, 4667692, 4913360, 5834615, 7001538, 7370040, 9335384, 11669230, 14003076, 14740080, 17503845, 18670768, 23338460, 28006152, 35007690, 46676920, 56012304, 70015380, 93353840, 140030760, 280061520]

約数ペア:

[(1, 280061520), (2, 140030760), (3, 93353840), (4, 70015380), (5, 56012304), (6, 46676920), (8, 35007690), (10, 28006152), (12, 23338460), (15, 18670768), (16, 17503845), (19, 14740080), (20, 14003076), (24, 11669230), (30, 9335384), (38, 7370040), (40, 7001538), (48, 5834615), (57, 4913360), (60, 4667692), (76, 3685020), (80, 3500769), (95, 2948016), (114, 2456680), (120, 2333846), (152, 1842510), (190, 1474008), (228, 1228340), (240, 1166923), (285, 982672), (304, 921255), (380, 737004), (456, 614170), (570, 491336), (760, 368502), (912, 307085), (1140, 245668), (1520, 184251), (2280, 122834), (4560, 61417)]