7556680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 18302400

約数和(自身を除く): 10745720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 163, 190, 244, 305, 326, 380, 488, 610, 652, 760, 815, 1159, 1220, 1304, 1630, 2318, 2440, 3097, 3260, 4636, 5795, 6194, 6520, 9272, 9943, 11590, 12388, 15485, 19886, 23180, 24776, 30970, 39772, 46360, 49715, 61940, 79544, 99430, 123880, 188917, 198860, 377834, 397720, 755668, 944585, 1511336, 1889170, 3778340, 7556680]

約数ペア:

[(1, 7556680), (2, 3778340), (4, 1889170), (5, 1511336), (8, 944585), (10, 755668), (19, 397720), (20, 377834), (38, 198860), (40, 188917), (61, 123880), (76, 99430), (95, 79544), (122, 61940), (152, 49715), (163, 46360), (190, 39772), (244, 30970), (305, 24776), (326, 23180), (380, 19886), (488, 15485), (610, 12388), (652, 11590), (760, 9943), (815, 9272), (1159, 6520), (1220, 6194), (1304, 5795), (1630, 4636), (2318, 3260), (2440, 3097)]