420905940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{607}}^1$

素因数の和:766

約数の個数: 192

約数和(自身を含む): 1464336384

約数和(自身を除く): 1043430444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 127, 130, 140, 156, 182, 195, 210, 254, 260, 273, 364, 381, 390, 420, 455, 508, 546, 607, 635, 762, 780, 889, 910, 1092, 1214, 1270, 1365, 1524, 1651, 1778, 1820, 1821, 1905, 2428, 2540, 2667, 2730, 3035, 3302, 3556, 3642, 3810, 4249, 4445, 4953, 5334, 5460, 6070, 6604, 7284, 7620, 7891, 8255, 8498, 8890, 9105, 9906, 10668, 11557, 12140, 12747, 13335, 15782, 16510, 16996, 17780, 18210, 19812, 21245, 23114, 23673, 24765, 25494, 26670, 31564, 33020, 34671, 36420, 39455, 42490, 46228, 47346, 49530, 50988, 53340, 55237, 57785, 63735, 69342, 77089, 78910, 84980, 94692, 99060, 110474, 115570, 118365, 127470, 138684, 154178, 157820, 165711, 173355, 220948, 231140, 231267, 236730, 254940, 276185, 308356, 331422, 346710, 385445, 462534, 473460, 539623, 552370, 662844, 693420, 770890, 828555, 925068, 1002157, 1079246, 1104740, 1156335, 1541780, 1618869, 1657110, 2004314, 2158492, 2312670, 2698115, 3006471, 3237738, 3314220, 4008628, 4625340, 5010785, 5396230, 6012942, 6475476, 7015099, 8094345, 10021570, 10792460, 12025884, 14030198, 15032355, 16188690, 20043140, 21045297, 28060396, 30064710, 32377380, 35075495, 42090594, 60129420, 70150990, 84181188, 105226485, 140301980, 210452970, 420905940]

約数ペア:

[(1, 420905940), (2, 210452970), (3, 140301980), (4, 105226485), (5, 84181188), (6, 70150990), (7, 60129420), (10, 42090594), (12, 35075495), (13, 32377380), (14, 30064710), (15, 28060396), (20, 21045297), (21, 20043140), (26, 16188690), (28, 15032355), (30, 14030198), (35, 12025884), (39, 10792460), (42, 10021570), (52, 8094345), (60, 7015099), (65, 6475476), (70, 6012942), (78, 5396230), (84, 5010785), (91, 4625340), (105, 4008628), (127, 3314220), (130, 3237738), (140, 3006471), (156, 2698115), (182, 2312670), (195, 2158492), (210, 2004314), (254, 1657110), (260, 1618869), (273, 1541780), (364, 1156335), (381, 1104740), (390, 1079246), (420, 1002157), (455, 925068), (508, 828555), (546, 770890), (607, 693420), (635, 662844), (762, 552370), (780, 539623), (889, 473460), (910, 462534), (1092, 385445), (1214, 346710), (1270, 331422), (1365, 308356), (1524, 276185), (1651, 254940), (1778, 236730), (1820, 231267), (1821, 231140), (1905, 220948), (2428, 173355), (2540, 165711), (2667, 157820), (2730, 154178), (3035, 138684), (3302, 127470), (3556, 118365), (3642, 115570), (3810, 110474), (4249, 99060), (4445, 94692), (4953, 84980), (5334, 78910), (5460, 77089), (6070, 69342), (6604, 63735), (7284, 57785), (7620, 55237), (7891, 53340), (8255, 50988), (8498, 49530), (8890, 47346), (9105, 46228), (9906, 42490), (10668, 39455), (11557, 36420), (12140, 34671), (12747, 33020), (13335, 31564), (15782, 26670), (16510, 25494), (16996, 24765), (17780, 23673), (18210, 23114), (19812, 21245)]