78679760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1399}}^1$

素因数の和:1468

約数の個数: 80

約数和(自身を含む): 197904000

約数和(自身を除く): 119224240

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, 1399, 1406, 1480, 1520, 2798, 2812, 2960, 3515, 5596, 5624, 6995, 7030, 11192, 11248, 13990, 14060, 22384, 26581, 27980, 28120, 51763, 53162, 55960, 56240, 103526, 106324, 111920, 132905, 207052, 212648, 258815, 265810, 414104, 425296, 517630, 531620, 828208, 983497, 1035260, 1063240, 1966994, 2070520, 2126480, 3933988, 4141040, 4917485, 7867976, 9834970, 15735952, 19669940, 39339880, 78679760]

約数ペア:

[(1, 78679760), (2, 39339880), (4, 19669940), (5, 15735952), (8, 9834970), (10, 7867976), (16, 4917485), (19, 4141040), (20, 3933988), (37, 2126480), (38, 2070520), (40, 1966994), (74, 1063240), (76, 1035260), (80, 983497), (95, 828208), (148, 531620), (152, 517630), (185, 425296), (190, 414104), (296, 265810), (304, 258815), (370, 212648), (380, 207052), (592, 132905), (703, 111920), (740, 106324), (760, 103526), (1399, 56240), (1406, 55960), (1480, 53162), (1520, 51763), (2798, 28120), (2812, 27980), (2960, 26581), (3515, 22384), (5596, 14060), (5624, 13990), (6995, 11248), (7030, 11192)]