66419440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1181}}^1$

素因数の和:1250

約数の個数: 80

約数和(自身を含む): 167087520

約数和(自身を除く): 100668080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 703, 740, 760, 1181, 1406, 1480, 1520, 2362, 2812, 2960, 3515, 4724, 5624, 5905, 7030, 9448, 11248, 11810, 14060, 18896, 22439, 23620, 28120, 43697, 44878, 47240, 56240, 87394, 89756, 94480, 112195, 174788, 179512, 218485, 224390, 349576, 359024, 436970, 448780, 699152, 830243, 873940, 897560, 1660486, 1747880, 1795120, 3320972, 3495760, 4151215, 6641944, 8302430, 13283888, 16604860, 33209720, 66419440]

約数ペア:

[(1, 66419440), (2, 33209720), (4, 16604860), (5, 13283888), (8, 8302430), (10, 6641944), (16, 4151215), (19, 3495760), (20, 3320972), (37, 1795120), (38, 1747880), (40, 1660486), (74, 897560), (76, 873940), (80, 830243), (95, 699152), (148, 448780), (152, 436970), (185, 359024), (190, 349576), (296, 224390), (304, 218485), (370, 179512), (380, 174788), (592, 112195), (703, 94480), (740, 89756), (760, 87394), (1181, 56240), (1406, 47240), (1480, 44878), (1520, 43697), (2362, 28120), (2812, 23620), (2960, 22439), (3515, 18896), (4724, 14060), (5624, 11810), (5905, 11248), (7030, 9448)]