656294580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191899}}^1$

素因数の和:191933

約数の個数: 72

約数和(自身を含む): 2095548000

約数和(自身を除く): 1439253420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 191899, 383798, 575697, 767596, 959495, 1151394, 1727091, 1918990, 2302788, 2878485, 3454182, 3646081, 3837980, 5756970, 6908364, 7292162, 8635455, 10938243, 11513940, 14584324, 17270910, 18230405, 21876486, 32814729, 34541820, 36460810, 43752972, 54691215, 65629458, 72921620, 109382430, 131258916, 164073645, 218764860, 328147290, 656294580]

約数ペア:

[(1, 656294580), (2, 328147290), (3, 218764860), (4, 164073645), (5, 131258916), (6, 109382430), (9, 72921620), (10, 65629458), (12, 54691215), (15, 43752972), (18, 36460810), (19, 34541820), (20, 32814729), (30, 21876486), (36, 18230405), (38, 17270910), (45, 14584324), (57, 11513940), (60, 10938243), (76, 8635455), (90, 7292162), (95, 6908364), (114, 5756970), (171, 3837980), (180, 3646081), (190, 3454182), (228, 2878485), (285, 2302788), (342, 1918990), (380, 1727091), (570, 1151394), (684, 959495), (855, 767596), (1140, 575697), (1710, 383798), (3420, 191899)]