211284840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:332

約数の個数: 256

約数和(自身を含む): 748984320

約数和(自身を除く): 537699480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 31, 34, 39, 40, 51, 52, 60, 62, 65, 68, 78, 85, 93, 102, 104, 120, 124, 130, 136, 155, 156, 170, 186, 195, 204, 221, 248, 255, 257, 260, 310, 312, 340, 372, 390, 403, 408, 442, 465, 510, 514, 520, 527, 620, 663, 680, 744, 771, 780, 806, 884, 930, 1020, 1028, 1054, 1105, 1209, 1240, 1285, 1326, 1542, 1560, 1581, 1612, 1768, 1860, 2015, 2040, 2056, 2108, 2210, 2418, 2570, 2635, 2652, 3084, 3162, 3224, 3315, 3341, 3720, 3855, 4030, 4216, 4369, 4420, 4836, 5140, 5270, 5304, 6045, 6168, 6324, 6630, 6682, 6851, 7710, 7905, 7967, 8060, 8738, 8840, 9672, 10023, 10280, 10540, 12090, 12648, 13107, 13260, 13364, 13702, 15420, 15810, 15934, 16120, 16705, 17476, 20046, 20553, 21080, 21845, 23901, 24180, 26214, 26520, 26728, 27404, 30840, 31620, 31868, 33410, 34255, 34952, 39835, 40092, 41106, 43690, 47802, 48360, 50115, 52428, 54808, 56797, 63240, 63736, 65535, 66820, 68510, 79670, 80184, 82212, 87380, 95604, 100230, 102765, 103571, 104856, 113594, 119505, 131070, 133640, 135439, 137020, 159340, 164424, 170391, 174760, 191208, 200460, 205530, 207142, 227188, 239010, 262140, 270878, 274040, 283985, 310713, 318680, 340782, 400920, 406317, 411060, 414284, 454376, 478020, 517855, 524280, 541756, 567970, 621426, 677195, 681564, 812634, 822120, 828568, 851955, 956040, 1035710, 1083512, 1135940, 1242852, 1354390, 1363128, 1553565, 1625268, 1703910, 1760707, 2031585, 2071420, 2271880, 2485704, 2708780, 3107130, 3250536, 3407820, 3521414, 4063170, 4142840, 5282121, 5417560, 6214260, 6815640, 7042828, 8126340, 8803535, 10564242, 12428520, 14085656, 16252680, 17607070, 21128484, 26410605, 35214140, 42256968, 52821210, 70428280, 105642420, 211284840]

約数ペア:

[(1, 211284840), (2, 105642420), (3, 70428280), (4, 52821210), (5, 42256968), (6, 35214140), (8, 26410605), (10, 21128484), (12, 17607070), (13, 16252680), (15, 14085656), (17, 12428520), (20, 10564242), (24, 8803535), (26, 8126340), (30, 7042828), (31, 6815640), (34, 6214260), (39, 5417560), (40, 5282121), (51, 4142840), (52, 4063170), (60, 3521414), (62, 3407820), (65, 3250536), (68, 3107130), (78, 2708780), (85, 2485704), (93, 2271880), (102, 2071420), (104, 2031585), (120, 1760707), (124, 1703910), (130, 1625268), (136, 1553565), (155, 1363128), (156, 1354390), (170, 1242852), (186, 1135940), (195, 1083512), (204, 1035710), (221, 956040), (248, 851955), (255, 828568), (257, 822120), (260, 812634), (310, 681564), (312, 677195), (340, 621426), (372, 567970), (390, 541756), (403, 524280), (408, 517855), (442, 478020), (465, 454376), (510, 414284), (514, 411060), (520, 406317), (527, 400920), (620, 340782), (663, 318680), (680, 310713), (744, 283985), (771, 274040), (780, 270878), (806, 262140), (884, 239010), (930, 227188), (1020, 207142), (1028, 205530), (1054, 200460), (1105, 191208), (1209, 174760), (1240, 170391), (1285, 164424), (1326, 159340), (1542, 137020), (1560, 135439), (1581, 133640), (1612, 131070), (1768, 119505), (1860, 113594), (2015, 104856), (2040, 103571), (2056, 102765), (2108, 100230), (2210, 95604), (2418, 87380), (2570, 82212), (2635, 80184), (2652, 79670), (3084, 68510), (3162, 66820), (3224, 65535), (3315, 63736), (3341, 63240), (3720, 56797), (3855, 54808), (4030, 52428), (4216, 50115), (4369, 48360), (4420, 47802), (4836, 43690), (5140, 41106), (5270, 40092), (5304, 39835), (6045, 34952), (6168, 34255), (6324, 33410), (6630, 31868), (6682, 31620), (6851, 30840), (7710, 27404), (7905, 26728), (7967, 26520), (8060, 26214), (8738, 24180), (8840, 23901), (9672, 21845), (10023, 21080), (10280, 20553), (10540, 20046), (12090, 17476), (12648, 16705), (13107, 16120), (13260, 15934), (13364, 15810), (13702, 15420)]