1215206419980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{831661}}^1$

素因数の和:831765

約数の個数: 192

約数和(自身を含む): 4023913420800

約数和(自身を除く): 2808707000820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 84, 98, 105, 140, 142, 147, 196, 210, 213, 245, 284, 294, 343, 355, 420, 426, 490, 497, 588, 686, 710, 735, 852, 980, 994, 1029, 1065, 1372, 1420, 1470, 1491, 1715, 1988, 2058, 2130, 2485, 2940, 2982, 3430, 3479, 4116, 4260, 4970, 5145, 5964, 6860, 6958, 7455, 9940, 10290, 10437, 13916, 14910, 17395, 20580, 20874, 24353, 29820, 34790, 41748, 48706, 52185, 69580, 73059, 97412, 104370, 121765, 146118, 208740, 243530, 292236, 365295, 487060, 730590, 831661, 1461180, 1663322, 2494983, 3326644, 4158305, 4989966, 5821627, 8316610, 9979932, 11643254, 12474915, 16633220, 17464881, 23286508, 24949830, 29108135, 34929762, 40751389, 49899660, 58216270, 59047931, 69859524, 81502778, 87324405, 116432540, 118095862, 122254167, 163005556, 174648810, 177143793, 203756945, 236191724, 244508334, 285259723, 295239655, 349297620, 354287586, 407513890, 413335517, 489016668, 570519446, 590479310, 611270835, 708575172, 815027780, 826671034, 855779169, 885718965, 1141038892, 1180958620, 1222541670, 1240006551, 1426298615, 1653342068, 1711558338, 1771437930, 2066677585, 2445083340, 2480013102, 2852597230, 2893348619, 3423116676, 3542875860, 4133355170, 4278895845, 4960026204, 5705194460, 5786697238, 6200032755, 8266710340, 8557791690, 8680045857, 11573394476, 12400065510, 14466743095, 17115583380, 17360091714, 20253440333, 24800131020, 28933486190, 34720183428, 40506880666, 43400229285, 57866972380, 60760320999, 81013761332, 86800458570, 101267201665, 121520641998, 173600917140, 202534403330, 243041283996, 303801604995, 405068806660, 607603209990, 1215206419980]

約数ペア:

[(1, 1215206419980), (2, 607603209990), (3, 405068806660), (4, 303801604995), (5, 243041283996), (6, 202534403330), (7, 173600917140), (10, 121520641998), (12, 101267201665), (14, 86800458570), (15, 81013761332), (20, 60760320999), (21, 57866972380), (28, 43400229285), (30, 40506880666), (35, 34720183428), (42, 28933486190), (49, 24800131020), (60, 20253440333), (70, 17360091714), (71, 17115583380), (84, 14466743095), (98, 12400065510), (105, 11573394476), (140, 8680045857), (142, 8557791690), (147, 8266710340), (196, 6200032755), (210, 5786697238), (213, 5705194460), (245, 4960026204), (284, 4278895845), (294, 4133355170), (343, 3542875860), (355, 3423116676), (420, 2893348619), (426, 2852597230), (490, 2480013102), (497, 2445083340), (588, 2066677585), (686, 1771437930), (710, 1711558338), (735, 1653342068), (852, 1426298615), (980, 1240006551), (994, 1222541670), (1029, 1180958620), (1065, 1141038892), (1372, 885718965), (1420, 855779169), (1470, 826671034), (1491, 815027780), (1715, 708575172), (1988, 611270835), (2058, 590479310), (2130, 570519446), (2485, 489016668), (2940, 413335517), (2982, 407513890), (3430, 354287586), (3479, 349297620), (4116, 295239655), (4260, 285259723), (4970, 244508334), (5145, 236191724), (5964, 203756945), (6860, 177143793), (6958, 174648810), (7455, 163005556), (9940, 122254167), (10290, 118095862), (10437, 116432540), (13916, 87324405), (14910, 81502778), (17395, 69859524), (20580, 59047931), (20874, 58216270), (24353, 49899660), (29820, 40751389), (34790, 34929762), (41748, 29108135), (48706, 24949830), (52185, 23286508), (69580, 17464881), (73059, 16633220), (97412, 12474915), (104370, 11643254), (121765, 9979932), (146118, 8316610), (208740, 5821627), (243530, 4989966), (292236, 4158305), (365295, 3326644), (487060, 2494983), (730590, 1663322), (831661, 1461180)]