421020180

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:436

約数の個数: 240

約数和(自身を含む): 1526063616

約数和(自身を除く): 1105043436

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 137, 140, 162, 180, 189, 210, 252, 270, 271, 274, 315, 324, 378, 405, 411, 420, 540, 542, 548, 567, 630, 685, 756, 810, 813, 822, 945, 959, 1084, 1134, 1233, 1260, 1355, 1370, 1620, 1626, 1644, 1890, 1897, 1918, 2055, 2268, 2439, 2466, 2710, 2740, 2835, 2877, 3252, 3699, 3780, 3794, 3836, 4065, 4110, 4795, 4878, 4932, 5420, 5670, 5691, 5754, 6165, 7317, 7398, 7588, 8130, 8220, 8631, 9485, 9590, 9756, 11097, 11340, 11382, 11508, 12195, 12330, 14385, 14634, 14796, 16260, 17073, 17262, 18495, 18970, 19180, 21951, 22194, 22764, 24390, 24660, 25893, 28455, 28770, 29268, 34146, 34524, 36585, 36990, 37127, 37940, 43155, 43902, 44388, 48780, 51219, 51786, 55485, 56910, 57540, 68292, 73170, 73980, 74254, 77679, 85365, 86310, 87804, 102438, 103572, 109755, 110970, 111381, 113820, 129465, 146340, 148508, 153657, 155358, 170730, 172620, 185635, 204876, 219510, 221940, 222762, 256095, 258930, 259889, 307314, 310716, 334143, 341460, 371270, 388395, 439020, 445524, 512190, 517860, 519778, 556905, 614628, 668286, 742540, 768285, 776790, 779667, 1002429, 1024380, 1039556, 1113810, 1299445, 1336572, 1536570, 1553580, 1559334, 1670715, 2004858, 2227620, 2339001, 2598890, 3007287, 3073140, 3118668, 3341430, 3898335, 4009716, 4678002, 5012145, 5197780, 6014574, 6682860, 7017003, 7796670, 9356004, 10024290, 11695005, 12029148, 14034006, 15036435, 15593340, 20048580, 21051009, 23390010, 28068012, 30072870, 35085015, 42102018, 46780020, 60145740, 70170030, 84204036, 105255045, 140340060, 210510090, 421020180]

約数ペア:

[(1, 421020180), (2, 210510090), (3, 140340060), (4, 105255045), (5, 84204036), (6, 70170030), (7, 60145740), (9, 46780020), (10, 42102018), (12, 35085015), (14, 30072870), (15, 28068012), (18, 23390010), (20, 21051009), (21, 20048580), (27, 15593340), (28, 15036435), (30, 14034006), (35, 12029148), (36, 11695005), (42, 10024290), (45, 9356004), (54, 7796670), (60, 7017003), (63, 6682860), (70, 6014574), (81, 5197780), (84, 5012145), (90, 4678002), (105, 4009716), (108, 3898335), (126, 3341430), (135, 3118668), (137, 3073140), (140, 3007287), (162, 2598890), (180, 2339001), (189, 2227620), (210, 2004858), (252, 1670715), (270, 1559334), (271, 1553580), (274, 1536570), (315, 1336572), (324, 1299445), (378, 1113810), (405, 1039556), (411, 1024380), (420, 1002429), (540, 779667), (542, 776790), (548, 768285), (567, 742540), (630, 668286), (685, 614628), (756, 556905), (810, 519778), (813, 517860), (822, 512190), (945, 445524), (959, 439020), (1084, 388395), (1134, 371270), (1233, 341460), (1260, 334143), (1355, 310716), (1370, 307314), (1620, 259889), (1626, 258930), (1644, 256095), (1890, 222762), (1897, 221940), (1918, 219510), (2055, 204876), (2268, 185635), (2439, 172620), (2466, 170730), (2710, 155358), (2740, 153657), (2835, 148508), (2877, 146340), (3252, 129465), (3699, 113820), (3780, 111381), (3794, 110970), (3836, 109755), (4065, 103572), (4110, 102438), (4795, 87804), (4878, 86310), (4932, 85365), (5420, 77679), (5670, 74254), (5691, 73980), (5754, 73170), (6165, 68292), (7317, 57540), (7398, 56910), (7588, 55485), (8130, 51786), (8220, 51219), (8631, 48780), (9485, 44388), (9590, 43902), (9756, 43155), (11097, 37940), (11340, 37127), (11382, 36990), (11508, 36585), (12195, 34524), (12330, 34146), (14385, 29268), (14634, 28770), (14796, 28455), (16260, 25893), (17073, 24660), (17262, 24390), (18495, 22764), (18970, 22194), (19180, 21951)]