72439220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 180956160

約数和(自身を除く): 108516940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 101, 109, 140, 188, 202, 218, 235, 329, 404, 436, 470, 505, 545, 658, 707, 763, 940, 1010, 1090, 1316, 1414, 1526, 1645, 2020, 2180, 2828, 3052, 3290, 3535, 3815, 4747, 5123, 6580, 7070, 7630, 9494, 10246, 11009, 14140, 15260, 18988, 20492, 22018, 23735, 25615, 33229, 35861, 44036, 47470, 51230, 55045, 66458, 71722, 77063, 94940, 102460, 110090, 132916, 143444, 154126, 166145, 179305, 220180, 308252, 332290, 358610, 385315, 517423, 664580, 717220, 770630, 1034846, 1541260, 2069692, 2587115, 3621961, 5174230, 7243922, 10348460, 14487844, 18109805, 36219610, 72439220]

約数ペア:

[(1, 72439220), (2, 36219610), (4, 18109805), (5, 14487844), (7, 10348460), (10, 7243922), (14, 5174230), (20, 3621961), (28, 2587115), (35, 2069692), (47, 1541260), (70, 1034846), (94, 770630), (101, 717220), (109, 664580), (140, 517423), (188, 385315), (202, 358610), (218, 332290), (235, 308252), (329, 220180), (404, 179305), (436, 166145), (470, 154126), (505, 143444), (545, 132916), (658, 110090), (707, 102460), (763, 94940), (940, 77063), (1010, 71722), (1090, 66458), (1316, 55045), (1414, 51230), (1526, 47470), (1645, 44036), (2020, 35861), (2180, 33229), (2828, 25615), (3052, 23735), (3290, 22018), (3535, 20492), (3815, 18988), (4747, 15260), (5123, 14140), (6580, 11009), (7070, 10246), (7630, 9494)]