217811880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4231}}^1$

素因数の和:4272

約数の個数: 192

約数和(自身を含む): 831841920

約数和(自身を除く): 614030040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 52, 55, 60, 65, 66, 72, 78, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 264, 286, 312, 330, 360, 390, 396, 429, 440, 468, 495, 520, 572, 585, 660, 715, 780, 792, 858, 936, 990, 1144, 1170, 1287, 1320, 1430, 1560, 1716, 1980, 2145, 2340, 2574, 2860, 3432, 3960, 4231, 4290, 4680, 5148, 5720, 6435, 8462, 8580, 10296, 12693, 12870, 16924, 17160, 21155, 25386, 25740, 33848, 38079, 42310, 46541, 50772, 51480, 55003, 63465, 76158, 84620, 93082, 101544, 110006, 126930, 139623, 152316, 165009, 169240, 186164, 190395, 220012, 232705, 253860, 275015, 279246, 304632, 330018, 372328, 380790, 418869, 440024, 465410, 495027, 507720, 550030, 558492, 605033, 660036, 698115, 761580, 825045, 837738, 930820, 990054, 1100060, 1116984, 1210066, 1320072, 1396230, 1523160, 1650090, 1675476, 1815099, 1861640, 1980108, 2094345, 2200120, 2420132, 2475135, 2792460, 3025165, 3300180, 3350952, 3630198, 3960216, 4188690, 4840264, 4950270, 5445297, 5584920, 6050330, 6600360, 7260396, 8377380, 9075495, 9900540, 10890594, 12100660, 14520792, 16754760, 18150990, 19801080, 21781188, 24201320, 27226485, 36301980, 43562376, 54452970, 72603960, 108905940, 217811880]

約数ペア:

[(1, 217811880), (2, 108905940), (3, 72603960), (4, 54452970), (5, 43562376), (6, 36301980), (8, 27226485), (9, 24201320), (10, 21781188), (11, 19801080), (12, 18150990), (13, 16754760), (15, 14520792), (18, 12100660), (20, 10890594), (22, 9900540), (24, 9075495), (26, 8377380), (30, 7260396), (33, 6600360), (36, 6050330), (39, 5584920), (40, 5445297), (44, 4950270), (45, 4840264), (52, 4188690), (55, 3960216), (60, 3630198), (65, 3350952), (66, 3300180), (72, 3025165), (78, 2792460), (88, 2475135), (90, 2420132), (99, 2200120), (104, 2094345), (110, 1980108), (117, 1861640), (120, 1815099), (130, 1675476), (132, 1650090), (143, 1523160), (156, 1396230), (165, 1320072), (180, 1210066), (195, 1116984), (198, 1100060), (220, 990054), (234, 930820), (260, 837738), (264, 825045), (286, 761580), (312, 698115), (330, 660036), (360, 605033), (390, 558492), (396, 550030), (429, 507720), (440, 495027), (468, 465410), (495, 440024), (520, 418869), (572, 380790), (585, 372328), (660, 330018), (715, 304632), (780, 279246), (792, 275015), (858, 253860), (936, 232705), (990, 220012), (1144, 190395), (1170, 186164), (1287, 169240), (1320, 165009), (1430, 152316), (1560, 139623), (1716, 126930), (1980, 110006), (2145, 101544), (2340, 93082), (2574, 84620), (2860, 76158), (3432, 63465), (3960, 55003), (4231, 51480), (4290, 50772), (4680, 46541), (5148, 42310), (5720, 38079), (6435, 33848), (8462, 25740), (8580, 25386), (10296, 21155), (12693, 17160), (12870, 16924)]