221956020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8623}}^1$

素因数の和:8662

約数の個数: 144

約数和(自身を含む): 791062272

約数和(自身を除く): 569106252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2860, 4290, 5148, 6435, 8580, 8623, 12870, 17246, 25740, 25869, 34492, 43115, 51738, 77607, 86230, 94853, 103476, 112099, 129345, 155214, 172460, 189706, 224198, 258690, 284559, 310428, 336297, 379412, 388035, 448396, 474265, 517380, 560495, 569118, 672594, 776070, 853677, 948530, 1008891, 1120990, 1138236, 1233089, 1345188, 1422795, 1552140, 1681485, 1707354, 1897060, 2017782, 2241980, 2466178, 2845590, 3362970, 3414708, 3699267, 4035564, 4268385, 4932356, 5044455, 5691180, 6165445, 6725940, 7398534, 8536770, 10088910, 11097801, 12330890, 14797068, 17073540, 18496335, 20177820, 22195602, 24661780, 36992670, 44391204, 55489005, 73985340, 110978010, 221956020]

約数ペア:

[(1, 221956020), (2, 110978010), (3, 73985340), (4, 55489005), (5, 44391204), (6, 36992670), (9, 24661780), (10, 22195602), (11, 20177820), (12, 18496335), (13, 17073540), (15, 14797068), (18, 12330890), (20, 11097801), (22, 10088910), (26, 8536770), (30, 7398534), (33, 6725940), (36, 6165445), (39, 5691180), (44, 5044455), (45, 4932356), (52, 4268385), (55, 4035564), (60, 3699267), (65, 3414708), (66, 3362970), (78, 2845590), (90, 2466178), (99, 2241980), (110, 2017782), (117, 1897060), (130, 1707354), (132, 1681485), (143, 1552140), (156, 1422795), (165, 1345188), (180, 1233089), (195, 1138236), (198, 1120990), (220, 1008891), (234, 948530), (260, 853677), (286, 776070), (330, 672594), (390, 569118), (396, 560495), (429, 517380), (468, 474265), (495, 448396), (572, 388035), (585, 379412), (660, 336297), (715, 310428), (780, 284559), (858, 258690), (990, 224198), (1170, 189706), (1287, 172460), (1430, 155214), (1716, 129345), (1980, 112099), (2145, 103476), (2340, 94853), (2574, 86230), (2860, 77607), (4290, 51738), (5148, 43115), (6435, 34492), (8580, 25869), (8623, 25740), (12870, 17246)]