421107960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{787}}^1$

素因数の和:835

約数の個数: 256

約数和(自身を含む): 1588608000

約数和(自身を除く): 1167500040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 245, 260, 273, 280, 294, 312, 343, 364, 390, 392, 420, 455, 490, 520, 546, 588, 637, 686, 728, 735, 780, 787, 840, 910, 980, 1029, 1092, 1176, 1274, 1365, 1372, 1470, 1560, 1574, 1715, 1820, 1911, 1960, 2058, 2184, 2361, 2548, 2730, 2744, 2940, 3148, 3185, 3430, 3640, 3822, 3935, 4116, 4459, 4722, 5096, 5145, 5460, 5509, 5880, 6296, 6370, 6860, 7644, 7870, 8232, 8918, 9444, 9555, 10231, 10290, 10920, 11018, 11805, 12740, 13377, 13720, 15288, 15740, 16527, 17836, 18888, 19110, 20462, 20580, 22036, 22295, 23610, 25480, 26754, 27545, 30693, 31480, 33054, 35672, 38220, 38563, 40924, 41160, 44072, 44590, 47220, 51155, 53508, 55090, 61386, 66108, 66885, 71617, 76440, 77126, 81848, 82635, 89180, 94440, 102310, 107016, 110180, 115689, 122772, 132216, 133770, 143234, 153465, 154252, 165270, 178360, 192815, 204620, 214851, 220360, 231378, 245544, 267540, 269941, 286468, 306930, 308504, 330540, 358085, 385630, 409240, 429702, 462756, 501319, 535080, 539882, 572936, 578445, 613860, 661080, 716170, 771260, 809823, 859404, 925512, 1002638, 1074255, 1079764, 1156890, 1227720, 1349705, 1432340, 1503957, 1542520, 1619646, 1718808, 2005276, 2148510, 2159528, 2313780, 2506595, 2699410, 2864680, 3007914, 3239292, 3509233, 4010552, 4049115, 4297020, 4627560, 5013190, 5398820, 6015828, 6478584, 7018466, 7519785, 8098230, 8594040, 10026380, 10527699, 10797640, 12031656, 14036932, 15039570, 16196460, 17546165, 20052760, 21055398, 28073864, 30079140, 32392920, 35092330, 42110796, 52638495, 60158280, 70184660, 84221592, 105276990, 140369320, 210553980, 421107960]

約数ペア:

[(1, 421107960), (2, 210553980), (3, 140369320), (4, 105276990), (5, 84221592), (6, 70184660), (7, 60158280), (8, 52638495), (10, 42110796), (12, 35092330), (13, 32392920), (14, 30079140), (15, 28073864), (20, 21055398), (21, 20052760), (24, 17546165), (26, 16196460), (28, 15039570), (30, 14036932), (35, 12031656), (39, 10797640), (40, 10527699), (42, 10026380), (49, 8594040), (52, 8098230), (56, 7519785), (60, 7018466), (65, 6478584), (70, 6015828), (78, 5398820), (84, 5013190), (91, 4627560), (98, 4297020), (104, 4049115), (105, 4010552), (120, 3509233), (130, 3239292), (140, 3007914), (147, 2864680), (156, 2699410), (168, 2506595), (182, 2313780), (195, 2159528), (196, 2148510), (210, 2005276), (245, 1718808), (260, 1619646), (273, 1542520), (280, 1503957), (294, 1432340), (312, 1349705), (343, 1227720), (364, 1156890), (390, 1079764), (392, 1074255), (420, 1002638), (455, 925512), (490, 859404), (520, 809823), (546, 771260), (588, 716170), (637, 661080), (686, 613860), (728, 578445), (735, 572936), (780, 539882), (787, 535080), (840, 501319), (910, 462756), (980, 429702), (1029, 409240), (1092, 385630), (1176, 358085), (1274, 330540), (1365, 308504), (1372, 306930), (1470, 286468), (1560, 269941), (1574, 267540), (1715, 245544), (1820, 231378), (1911, 220360), (1960, 214851), (2058, 204620), (2184, 192815), (2361, 178360), (2548, 165270), (2730, 154252), (2744, 153465), (2940, 143234), (3148, 133770), (3185, 132216), (3430, 122772), (3640, 115689), (3822, 110180), (3935, 107016), (4116, 102310), (4459, 94440), (4722, 89180), (5096, 82635), (5145, 81848), (5460, 77126), (5509, 76440), (5880, 71617), (6296, 66885), (6370, 66108), (6860, 61386), (7644, 55090), (7870, 53508), (8232, 51155), (8918, 47220), (9444, 44590), (9555, 44072), (10231, 41160), (10290, 40924), (10920, 38563), (11018, 38220), (11805, 35672), (12740, 33054), (13377, 31480), (13720, 30693), (15288, 27545), (15740, 26754), (16527, 25480), (17836, 23610), (18888, 22295), (19110, 22036), (20462, 20580)]