16639560

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 256

約数和(自身を含む): 66355200

約数和(自身を除く): 49715640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 71, 72, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 142, 155, 168, 180, 186, 189, 210, 213, 216, 217, 248, 252, 270, 279, 280, 284, 310, 315, 355, 360, 372, 378, 420, 426, 434, 465, 497, 504, 540, 558, 568, 620, 630, 639, 651, 710, 744, 756, 837, 840, 852, 868, 930, 945, 994, 1065, 1080, 1085, 1116, 1240, 1260, 1278, 1302, 1395, 1420, 1491, 1512, 1674, 1704, 1736, 1860, 1890, 1917, 1953, 1988, 2130, 2170, 2201, 2232, 2485, 2520, 2556, 2604, 2790, 2840, 2982, 3195, 3255, 3348, 3720, 3780, 3834, 3906, 3976, 4185, 4260, 4340, 4402, 4473, 4970, 5112, 5208, 5580, 5859, 5964, 6390, 6510, 6603, 6696, 7455, 7560, 7668, 7812, 8370, 8520, 8680, 8804, 8946, 9585, 9765, 9940, 11005, 11160, 11718, 11928, 12780, 13020, 13206, 13419, 14910, 15336, 15407, 15624, 16740, 17608, 17892, 19170, 19530, 19809, 19880, 22010, 22365, 23436, 25560, 26040, 26412, 26838, 29295, 29820, 30814, 33015, 33480, 35784, 38340, 39060, 39618, 44020, 44730, 46221, 46872, 52824, 53676, 58590, 59427, 59640, 61628, 66030, 67095, 76680, 77035, 78120, 79236, 88040, 89460, 92442, 99045, 107352, 117180, 118854, 123256, 132060, 134190, 138663, 154070, 158472, 178920, 184884, 198090, 231105, 234360, 237708, 264120, 268380, 277326, 297135, 308140, 369768, 396180, 415989, 462210, 475416, 536760, 554652, 594270, 616280, 693315, 792360, 831978, 924420, 1109304, 1188540, 1386630, 1663956, 1848840, 2079945, 2377080, 2773260, 3327912, 4159890, 5546520, 8319780, 16639560]

約数ペア:

[(1, 16639560), (2, 8319780), (3, 5546520), (4, 4159890), (5, 3327912), (6, 2773260), (7, 2377080), (8, 2079945), (9, 1848840), (10, 1663956), (12, 1386630), (14, 1188540), (15, 1109304), (18, 924420), (20, 831978), (21, 792360), (24, 693315), (27, 616280), (28, 594270), (30, 554652), (31, 536760), (35, 475416), (36, 462210), (40, 415989), (42, 396180), (45, 369768), (54, 308140), (56, 297135), (60, 277326), (62, 268380), (63, 264120), (70, 237708), (71, 234360), (72, 231105), (84, 198090), (90, 184884), (93, 178920), (105, 158472), (108, 154070), (120, 138663), (124, 134190), (126, 132060), (135, 123256), (140, 118854), (142, 117180), (155, 107352), (168, 99045), (180, 92442), (186, 89460), (189, 88040), (210, 79236), (213, 78120), (216, 77035), (217, 76680), (248, 67095), (252, 66030), (270, 61628), (279, 59640), (280, 59427), (284, 58590), (310, 53676), (315, 52824), (355, 46872), (360, 46221), (372, 44730), (378, 44020), (420, 39618), (426, 39060), (434, 38340), (465, 35784), (497, 33480), (504, 33015), (540, 30814), (558, 29820), (568, 29295), (620, 26838), (630, 26412), (639, 26040), (651, 25560), (710, 23436), (744, 22365), (756, 22010), (837, 19880), (840, 19809), (852, 19530), (868, 19170), (930, 17892), (945, 17608), (994, 16740), (1065, 15624), (1080, 15407), (1085, 15336), (1116, 14910), (1240, 13419), (1260, 13206), (1278, 13020), (1302, 12780), (1395, 11928), (1420, 11718), (1491, 11160), (1512, 11005), (1674, 9940), (1704, 9765), (1736, 9585), (1860, 8946), (1890, 8804), (1917, 8680), (1953, 8520), (1988, 8370), (2130, 7812), (2170, 7668), (2201, 7560), (2232, 7455), (2485, 6696), (2520, 6603), (2556, 6510), (2604, 6390), (2790, 5964), (2840, 5859), (2982, 5580), (3195, 5208), (3255, 5112), (3348, 4970), (3720, 4473), (3780, 4402), (3834, 4340), (3906, 4260), (3976, 4185)]