64687980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:208

約数の個数: 192

約数和(自身を含む): 220631040

約数和(自身を除く): 155943060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 47, 58, 60, 70, 84, 87, 94, 105, 113, 116, 140, 141, 145, 174, 188, 203, 210, 226, 235, 282, 290, 329, 339, 348, 406, 420, 435, 452, 470, 564, 565, 580, 609, 658, 678, 705, 791, 812, 870, 940, 987, 1015, 1130, 1218, 1316, 1356, 1363, 1410, 1582, 1645, 1695, 1740, 1974, 2030, 2260, 2373, 2436, 2726, 2820, 3045, 3164, 3277, 3290, 3390, 3948, 3955, 4060, 4089, 4746, 4935, 5311, 5452, 6090, 6554, 6580, 6780, 6815, 7910, 8178, 9492, 9541, 9831, 9870, 10622, 11865, 12180, 13108, 13630, 15820, 15933, 16356, 16385, 19082, 19662, 19740, 20445, 21244, 22939, 23730, 26555, 27260, 28623, 31866, 32770, 37177, 38164, 39324, 40890, 45878, 47460, 47705, 49155, 53110, 57246, 63732, 65540, 68817, 74354, 79665, 81780, 91756, 95410, 98310, 106220, 111531, 114492, 114695, 137634, 143115, 148708, 154019, 159330, 185885, 190820, 196620, 223062, 229390, 275268, 286230, 308038, 318660, 344085, 371770, 446124, 458780, 462057, 557655, 572460, 616076, 688170, 743540, 770095, 924114, 1078133, 1115310, 1376340, 1540190, 1848228, 2156266, 2230620, 2310285, 3080380, 3234399, 4312532, 4620570, 5390665, 6468798, 9241140, 10781330, 12937596, 16171995, 21562660, 32343990, 64687980]

約数ペア:

[(1, 64687980), (2, 32343990), (3, 21562660), (4, 16171995), (5, 12937596), (6, 10781330), (7, 9241140), (10, 6468798), (12, 5390665), (14, 4620570), (15, 4312532), (20, 3234399), (21, 3080380), (28, 2310285), (29, 2230620), (30, 2156266), (35, 1848228), (42, 1540190), (47, 1376340), (58, 1115310), (60, 1078133), (70, 924114), (84, 770095), (87, 743540), (94, 688170), (105, 616076), (113, 572460), (116, 557655), (140, 462057), (141, 458780), (145, 446124), (174, 371770), (188, 344085), (203, 318660), (210, 308038), (226, 286230), (235, 275268), (282, 229390), (290, 223062), (329, 196620), (339, 190820), (348, 185885), (406, 159330), (420, 154019), (435, 148708), (452, 143115), (470, 137634), (564, 114695), (565, 114492), (580, 111531), (609, 106220), (658, 98310), (678, 95410), (705, 91756), (791, 81780), (812, 79665), (870, 74354), (940, 68817), (987, 65540), (1015, 63732), (1130, 57246), (1218, 53110), (1316, 49155), (1356, 47705), (1363, 47460), (1410, 45878), (1582, 40890), (1645, 39324), (1695, 38164), (1740, 37177), (1974, 32770), (2030, 31866), (2260, 28623), (2373, 27260), (2436, 26555), (2726, 23730), (2820, 22939), (3045, 21244), (3164, 20445), (3277, 19740), (3290, 19662), (3390, 19082), (3948, 16385), (3955, 16356), (4060, 15933), (4089, 15820), (4746, 13630), (4935, 13108), (5311, 12180), (5452, 11865), (6090, 10622), (6554, 9870), (6580, 9831), (6780, 9541), (6815, 9492), (7910, 8178)]