20211360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:151

約数の個数: 192

約数和(自身を含む): 71124480

約数和(自身を除く): 50913120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 41, 48, 52, 60, 65, 78, 79, 80, 82, 96, 104, 120, 123, 130, 156, 158, 160, 164, 195, 205, 208, 237, 240, 246, 260, 312, 316, 328, 390, 395, 410, 416, 474, 480, 492, 520, 533, 615, 624, 632, 656, 780, 790, 820, 948, 984, 1027, 1040, 1066, 1185, 1230, 1248, 1264, 1312, 1560, 1580, 1599, 1640, 1896, 1968, 2054, 2080, 2132, 2370, 2460, 2528, 2665, 3081, 3120, 3160, 3198, 3239, 3280, 3792, 3936, 4108, 4264, 4740, 4920, 5135, 5330, 6162, 6240, 6320, 6396, 6478, 6560, 7584, 7995, 8216, 8528, 9480, 9717, 9840, 10270, 10660, 12324, 12640, 12792, 12956, 15405, 15990, 16195, 16432, 17056, 18960, 19434, 19680, 20540, 21320, 24648, 25584, 25912, 30810, 31980, 32390, 32864, 37920, 38868, 41080, 42107, 42640, 48585, 49296, 51168, 51824, 61620, 63960, 64780, 77736, 82160, 84214, 85280, 97170, 98592, 103648, 123240, 126321, 127920, 129560, 155472, 164320, 168428, 194340, 210535, 246480, 252642, 255840, 259120, 310944, 336856, 388680, 421070, 492960, 505284, 518240, 631605, 673712, 777360, 842140, 1010568, 1263210, 1347424, 1554720, 1684280, 2021136, 2526420, 3368560, 4042272, 5052840, 6737120, 10105680, 20211360]

約数ペア:

[(1, 20211360), (2, 10105680), (3, 6737120), (4, 5052840), (5, 4042272), (6, 3368560), (8, 2526420), (10, 2021136), (12, 1684280), (13, 1554720), (15, 1347424), (16, 1263210), (20, 1010568), (24, 842140), (26, 777360), (30, 673712), (32, 631605), (39, 518240), (40, 505284), (41, 492960), (48, 421070), (52, 388680), (60, 336856), (65, 310944), (78, 259120), (79, 255840), (80, 252642), (82, 246480), (96, 210535), (104, 194340), (120, 168428), (123, 164320), (130, 155472), (156, 129560), (158, 127920), (160, 126321), (164, 123240), (195, 103648), (205, 98592), (208, 97170), (237, 85280), (240, 84214), (246, 82160), (260, 77736), (312, 64780), (316, 63960), (328, 61620), (390, 51824), (395, 51168), (410, 49296), (416, 48585), (474, 42640), (480, 42107), (492, 41080), (520, 38868), (533, 37920), (615, 32864), (624, 32390), (632, 31980), (656, 30810), (780, 25912), (790, 25584), (820, 24648), (948, 21320), (984, 20540), (1027, 19680), (1040, 19434), (1066, 18960), (1185, 17056), (1230, 16432), (1248, 16195), (1264, 15990), (1312, 15405), (1560, 12956), (1580, 12792), (1599, 12640), (1640, 12324), (1896, 10660), (1968, 10270), (2054, 9840), (2080, 9717), (2132, 9480), (2370, 8528), (2460, 8216), (2528, 7995), (2665, 7584), (3081, 6560), (3120, 6478), (3160, 6396), (3198, 6320), (3239, 6240), (3280, 6162), (3792, 5330), (3936, 5135), (4108, 4920), (4264, 4740)]