64535940

素因数分解:

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

素因数の和:309

約数の個数: 216

約数和(自身を含む): 237025152

約数和(自身を除く): 172489212

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, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 243, 245, 252, 270, 271, 294, 315, 324, 378, 405, 420, 441, 486, 490, 540, 542, 567, 588, 630, 735, 756, 810, 813, 882, 945, 972, 980, 1084, 1134, 1215, 1260, 1323, 1355, 1470, 1620, 1626, 1701, 1764, 1890, 1897, 2205, 2268, 2430, 2439, 2646, 2710, 2835, 2940, 3252, 3402, 3780, 3794, 3969, 4065, 4410, 4860, 4878, 5292, 5420, 5670, 5691, 6615, 6804, 7317, 7588, 7938, 8130, 8505, 8820, 9485, 9756, 11340, 11382, 11907, 12195, 13230, 13279, 14634, 15876, 16260, 17010, 17073, 18970, 19845, 21951, 22764, 23814, 24390, 26460, 26558, 28455, 29268, 34020, 34146, 36585, 37940, 39690, 39837, 43902, 47628, 48780, 51219, 53116, 56910, 59535, 65853, 66395, 68292, 73170, 79380, 79674, 85365, 87804, 102438, 109755, 113820, 119070, 119511, 131706, 132790, 146340, 153657, 159348, 170730, 199185, 204876, 219510, 238140, 239022, 256095, 263412, 265580, 307314, 329265, 341460, 358533, 398370, 439020, 460971, 478044, 512190, 597555, 614628, 658530, 717066, 768285, 796740, 921942, 1024380, 1075599, 1195110, 1317060, 1434132, 1536570, 1792665, 1843884, 2151198, 2304855, 2390220, 3073140, 3226797, 3585330, 4302396, 4609710, 5377995, 6453594, 7170660, 9219420, 10755990, 12907188, 16133985, 21511980, 32267970, 64535940]

約数ペア:

[(1, 64535940), (2, 32267970), (3, 21511980), (4, 16133985), (5, 12907188), (6, 10755990), (7, 9219420), (9, 7170660), (10, 6453594), (12, 5377995), (14, 4609710), (15, 4302396), (18, 3585330), (20, 3226797), (21, 3073140), (27, 2390220), (28, 2304855), (30, 2151198), (35, 1843884), (36, 1792665), (42, 1536570), (45, 1434132), (49, 1317060), (54, 1195110), (60, 1075599), (63, 1024380), (70, 921942), (81, 796740), (84, 768285), (90, 717066), (98, 658530), (105, 614628), (108, 597555), (126, 512190), (135, 478044), (140, 460971), (147, 439020), (162, 398370), (180, 358533), (189, 341460), (196, 329265), (210, 307314), (243, 265580), (245, 263412), (252, 256095), (270, 239022), (271, 238140), (294, 219510), (315, 204876), (324, 199185), (378, 170730), (405, 159348), (420, 153657), (441, 146340), (486, 132790), (490, 131706), (540, 119511), (542, 119070), (567, 113820), (588, 109755), (630, 102438), (735, 87804), (756, 85365), (810, 79674), (813, 79380), (882, 73170), (945, 68292), (972, 66395), (980, 65853), (1084, 59535), (1134, 56910), (1215, 53116), (1260, 51219), (1323, 48780), (1355, 47628), (1470, 43902), (1620, 39837), (1626, 39690), (1701, 37940), (1764, 36585), (1890, 34146), (1897, 34020), (2205, 29268), (2268, 28455), (2430, 26558), (2439, 26460), (2646, 24390), (2710, 23814), (2835, 22764), (2940, 21951), (3252, 19845), (3402, 18970), (3780, 17073), (3794, 17010), (3969, 16260), (4065, 15876), (4410, 14634), (4860, 13279), (4878, 13230), (5292, 12195), (5420, 11907), (5670, 11382), (5691, 11340), (6615, 9756), (6804, 9485), (7317, 8820), (7588, 8505), (7938, 8130)]