217868040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3581}}^1$

素因数の和:3624

約数の個数: 144

約数和(自身を含む): 766942020

約数和(自身を除く): 549073980

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 169, 180, 195, 234, 260, 312, 338, 360, 390, 468, 507, 520, 585, 676, 780, 845, 936, 1014, 1170, 1352, 1521, 1560, 1690, 2028, 2340, 2535, 3042, 3380, 3581, 4056, 4680, 5070, 6084, 6760, 7162, 7605, 10140, 10743, 12168, 14324, 15210, 17905, 20280, 21486, 28648, 30420, 32229, 35810, 42972, 46553, 53715, 60840, 64458, 71620, 85944, 93106, 107430, 128916, 139659, 143240, 161145, 186212, 214860, 232765, 257832, 279318, 322290, 372424, 418977, 429720, 465530, 558636, 605189, 644580, 698295, 837954, 931060, 1117272, 1210378, 1289160, 1396590, 1675908, 1815567, 1862120, 2094885, 2420756, 2793180, 3025945, 3351816, 3631134, 4189770, 4841512, 5446701, 5586360, 6051890, 7262268, 8379540, 9077835, 10893402, 12103780, 14524536, 16759080, 18155670, 21786804, 24207560, 27233505, 36311340, 43573608, 54467010, 72622680, 108934020, 217868040]

約数ペア:

[(1, 217868040), (2, 108934020), (3, 72622680), (4, 54467010), (5, 43573608), (6, 36311340), (8, 27233505), (9, 24207560), (10, 21786804), (12, 18155670), (13, 16759080), (15, 14524536), (18, 12103780), (20, 10893402), (24, 9077835), (26, 8379540), (30, 7262268), (36, 6051890), (39, 5586360), (40, 5446701), (45, 4841512), (52, 4189770), (60, 3631134), (65, 3351816), (72, 3025945), (78, 2793180), (90, 2420756), (104, 2094885), (117, 1862120), (120, 1815567), (130, 1675908), (156, 1396590), (169, 1289160), (180, 1210378), (195, 1117272), (234, 931060), (260, 837954), (312, 698295), (338, 644580), (360, 605189), (390, 558636), (468, 465530), (507, 429720), (520, 418977), (585, 372424), (676, 322290), (780, 279318), (845, 257832), (936, 232765), (1014, 214860), (1170, 186212), (1352, 161145), (1521, 143240), (1560, 139659), (1690, 128916), (2028, 107430), (2340, 93106), (2535, 85944), (3042, 71620), (3380, 64458), (3581, 60840), (4056, 53715), (4680, 46553), (5070, 42972), (6084, 35810), (6760, 32229), (7162, 30420), (7605, 28648), (10140, 21486), (10743, 20280), (12168, 17905), (14324, 15210)]