217708920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4229}}^1$

素因数の和:4270

約数の個数: 192

約数和(自身を含む): 831448800

約数和(自身を除く): 613739880

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, 4229, 4290, 4680, 5148, 5720, 6435, 8458, 8580, 10296, 12687, 12870, 16916, 17160, 21145, 25374, 25740, 33832, 38061, 42290, 46519, 50748, 51480, 54977, 63435, 76122, 84580, 93038, 101496, 109954, 126870, 139557, 152244, 164931, 169160, 186076, 190305, 219908, 232595, 253740, 274885, 279114, 304488, 329862, 372152, 380610, 418671, 439816, 465190, 494793, 507480, 549770, 558228, 604747, 659724, 697785, 761220, 824655, 837342, 930380, 989586, 1099540, 1116456, 1209494, 1319448, 1395570, 1522440, 1649310, 1674684, 1814241, 1860760, 1979172, 2093355, 2199080, 2418988, 2473965, 2791140, 3023735, 3298620, 3349368, 3628482, 3958344, 4186710, 4837976, 4947930, 5442723, 5582280, 6047470, 6597240, 7256964, 8373420, 9071205, 9895860, 10885446, 12094940, 14513928, 16746840, 18142410, 19791720, 21770892, 24189880, 27213615, 36284820, 43541784, 54427230, 72569640, 108854460, 217708920]

約数ペア:

[(1, 217708920), (2, 108854460), (3, 72569640), (4, 54427230), (5, 43541784), (6, 36284820), (8, 27213615), (9, 24189880), (10, 21770892), (11, 19791720), (12, 18142410), (13, 16746840), (15, 14513928), (18, 12094940), (20, 10885446), (22, 9895860), (24, 9071205), (26, 8373420), (30, 7256964), (33, 6597240), (36, 6047470), (39, 5582280), (40, 5442723), (44, 4947930), (45, 4837976), (52, 4186710), (55, 3958344), (60, 3628482), (65, 3349368), (66, 3298620), (72, 3023735), (78, 2791140), (88, 2473965), (90, 2418988), (99, 2199080), (104, 2093355), (110, 1979172), (117, 1860760), (120, 1814241), (130, 1674684), (132, 1649310), (143, 1522440), (156, 1395570), (165, 1319448), (180, 1209494), (195, 1116456), (198, 1099540), (220, 989586), (234, 930380), (260, 837342), (264, 824655), (286, 761220), (312, 697785), (330, 659724), (360, 604747), (390, 558228), (396, 549770), (429, 507480), (440, 494793), (468, 465190), (495, 439816), (520, 418671), (572, 380610), (585, 372152), (660, 329862), (715, 304488), (780, 279114), (792, 274885), (858, 253740), (936, 232595), (990, 219908), (1144, 190305), (1170, 186076), (1287, 169160), (1320, 164931), (1430, 152244), (1560, 139557), (1716, 126870), (1980, 109954), (2145, 101496), (2340, 93038), (2574, 84580), (2860, 76122), (3432, 63435), (3960, 54977), (4229, 51480), (4290, 50748), (4680, 46519), (5148, 42290), (5720, 38061), (6435, 33832), (8458, 25740), (8580, 25374), (10296, 21145), (12687, 17160), (12870, 16916)]