129503240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2053}}^1$

素因数の和:2166

約数の個数: 64

約数和(自身を含む): 310564800

約数和(自身を除く): 181061560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 83, 95, 152, 166, 190, 332, 380, 415, 664, 760, 830, 1577, 1660, 2053, 3154, 3320, 4106, 6308, 7885, 8212, 10265, 12616, 15770, 16424, 20530, 31540, 39007, 41060, 63080, 78014, 82120, 156028, 170399, 195035, 312056, 340798, 390070, 681596, 780140, 851995, 1363192, 1560280, 1703990, 3237581, 3407980, 6475162, 6815960, 12950324, 16187905, 25900648, 32375810, 64751620, 129503240]

約数ペア:

[(1, 129503240), (2, 64751620), (4, 32375810), (5, 25900648), (8, 16187905), (10, 12950324), (19, 6815960), (20, 6475162), (38, 3407980), (40, 3237581), (76, 1703990), (83, 1560280), (95, 1363192), (152, 851995), (166, 780140), (190, 681596), (332, 390070), (380, 340798), (415, 312056), (664, 195035), (760, 170399), (830, 156028), (1577, 82120), (1660, 78014), (2053, 63080), (3154, 41060), (3320, 39007), (4106, 31540), (6308, 20530), (7885, 16424), (8212, 15770), (10265, 12616)]