205414920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4639}}^1$

素因数の和:4700

約数の個数: 128

約数和(自身を含む): 701568000

約数和(自身を除く): 496153080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 41, 45, 54, 60, 72, 82, 90, 108, 120, 123, 135, 164, 180, 205, 216, 246, 270, 328, 360, 369, 410, 492, 540, 615, 738, 820, 984, 1080, 1107, 1230, 1476, 1640, 1845, 2214, 2460, 2952, 3690, 4428, 4639, 4920, 5535, 7380, 8856, 9278, 11070, 13917, 14760, 18556, 22140, 23195, 27834, 37112, 41751, 44280, 46390, 55668, 69585, 83502, 92780, 111336, 125253, 139170, 167004, 185560, 190199, 208755, 250506, 278340, 334008, 380398, 417510, 501012, 556680, 570597, 626265, 760796, 835020, 950995, 1002024, 1141194, 1252530, 1521592, 1670040, 1711791, 1901990, 2282388, 2505060, 2852985, 3423582, 3803980, 4564776, 5010120, 5135373, 5705970, 6847164, 7607960, 8558955, 10270746, 11411940, 13694328, 17117910, 20541492, 22823880, 25676865, 34235820, 41082984, 51353730, 68471640, 102707460, 205414920]

約数ペア:

[(1, 205414920), (2, 102707460), (3, 68471640), (4, 51353730), (5, 41082984), (6, 34235820), (8, 25676865), (9, 22823880), (10, 20541492), (12, 17117910), (15, 13694328), (18, 11411940), (20, 10270746), (24, 8558955), (27, 7607960), (30, 6847164), (36, 5705970), (40, 5135373), (41, 5010120), (45, 4564776), (54, 3803980), (60, 3423582), (72, 2852985), (82, 2505060), (90, 2282388), (108, 1901990), (120, 1711791), (123, 1670040), (135, 1521592), (164, 1252530), (180, 1141194), (205, 1002024), (216, 950995), (246, 835020), (270, 760796), (328, 626265), (360, 570597), (369, 556680), (410, 501012), (492, 417510), (540, 380398), (615, 334008), (738, 278340), (820, 250506), (984, 208755), (1080, 190199), (1107, 185560), (1230, 167004), (1476, 139170), (1640, 125253), (1845, 111336), (2214, 92780), (2460, 83502), (2952, 69585), (3690, 55668), (4428, 46390), (4639, 44280), (4920, 41751), (5535, 37112), (7380, 27834), (8856, 23195), (9278, 22140), (11070, 18556), (13917, 14760)]