128197980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{599}}^1$

素因数の和:684

約数の個数: 144

約数和(自身を含む): 412776000

約数和(自身を除く): 284578020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 41, 45, 58, 60, 82, 87, 90, 116, 123, 145, 164, 174, 180, 205, 246, 261, 290, 348, 369, 410, 435, 492, 522, 580, 599, 615, 738, 820, 870, 1044, 1189, 1198, 1230, 1305, 1476, 1740, 1797, 1845, 2378, 2396, 2460, 2610, 2995, 3567, 3594, 3690, 4756, 5220, 5391, 5945, 5990, 7134, 7188, 7380, 8985, 10701, 10782, 11890, 11980, 14268, 17371, 17835, 17970, 21402, 21564, 23780, 24559, 26955, 34742, 35670, 35940, 42804, 49118, 52113, 53505, 53910, 69484, 71340, 73677, 86855, 98236, 104226, 107010, 107820, 122795, 147354, 156339, 173710, 208452, 214020, 221031, 245590, 260565, 294708, 312678, 347420, 368385, 442062, 491180, 521130, 625356, 712211, 736770, 781695, 884124, 1042260, 1105155, 1424422, 1473540, 1563390, 2136633, 2210310, 2848844, 3126780, 3561055, 4273266, 4420620, 6409899, 7122110, 8546532, 10683165, 12819798, 14244220, 21366330, 25639596, 32049495, 42732660, 64098990, 128197980]

約数ペア:

[(1, 128197980), (2, 64098990), (3, 42732660), (4, 32049495), (5, 25639596), (6, 21366330), (9, 14244220), (10, 12819798), (12, 10683165), (15, 8546532), (18, 7122110), (20, 6409899), (29, 4420620), (30, 4273266), (36, 3561055), (41, 3126780), (45, 2848844), (58, 2210310), (60, 2136633), (82, 1563390), (87, 1473540), (90, 1424422), (116, 1105155), (123, 1042260), (145, 884124), (164, 781695), (174, 736770), (180, 712211), (205, 625356), (246, 521130), (261, 491180), (290, 442062), (348, 368385), (369, 347420), (410, 312678), (435, 294708), (492, 260565), (522, 245590), (580, 221031), (599, 214020), (615, 208452), (738, 173710), (820, 156339), (870, 147354), (1044, 122795), (1189, 107820), (1198, 107010), (1230, 104226), (1305, 98236), (1476, 86855), (1740, 73677), (1797, 71340), (1845, 69484), (2378, 53910), (2396, 53505), (2460, 52113), (2610, 49118), (2995, 42804), (3567, 35940), (3594, 35670), (3690, 34742), (4756, 26955), (5220, 24559), (5391, 23780), (5945, 21564), (5990, 21402), (7134, 17970), (7188, 17835), (7380, 17371), (8985, 14268), (10701, 11980), (10782, 11890)]