72461960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{997}}^1$

素因数の和:1110

約数の個数: 64

約数和(自身を含む): 172454400

約数和(自身を除く): 99992440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 79, 92, 115, 158, 184, 230, 316, 395, 460, 632, 790, 920, 997, 1580, 1817, 1994, 3160, 3634, 3988, 4985, 7268, 7976, 9085, 9970, 14536, 18170, 19940, 22931, 36340, 39880, 45862, 72680, 78763, 91724, 114655, 157526, 183448, 229310, 315052, 393815, 458620, 630104, 787630, 917240, 1575260, 1811549, 3150520, 3623098, 7246196, 9057745, 14492392, 18115490, 36230980, 72461960]

約数ペア:

[(1, 72461960), (2, 36230980), (4, 18115490), (5, 14492392), (8, 9057745), (10, 7246196), (20, 3623098), (23, 3150520), (40, 1811549), (46, 1575260), (79, 917240), (92, 787630), (115, 630104), (158, 458620), (184, 393815), (230, 315052), (316, 229310), (395, 183448), (460, 157526), (632, 114655), (790, 91724), (920, 78763), (997, 72680), (1580, 45862), (1817, 39880), (1994, 36340), (3160, 22931), (3634, 19940), (3988, 18170), (4985, 14536), (7268, 9970), (7976, 9085)]