178979220

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{5261}}^1$

素因数の和:5292

約数の個数: 144

約数和(自身を含む): 643563648

約数和(自身を除く): 464584428

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, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2268, 2430, 2835, 3402, 3780, 4860, 5261, 5670, 6804, 8505, 10522, 11340, 15783, 17010, 21044, 26305, 31566, 34020, 36827, 47349, 52610, 63132, 73654, 78915, 94698, 105220, 110481, 142047, 147308, 157830, 184135, 189396, 220962, 236745, 284094, 315660, 331443, 368270, 426141, 441924, 473490, 552405, 568188, 662886, 710235, 736540, 852282, 946980, 994329, 1104810, 1278423, 1325772, 1420470, 1657215, 1704564, 1988658, 2130705, 2209620, 2556846, 2840940, 2982987, 3314430, 3977316, 4261410, 4971645, 5113692, 5965974, 6392115, 6628860, 8522820, 8948961, 9943290, 11931948, 12784230, 14914935, 17897922, 19886580, 25568460, 29829870, 35795844, 44744805, 59659740, 89489610, 178979220]

約数ペア:

[(1, 178979220), (2, 89489610), (3, 59659740), (4, 44744805), (5, 35795844), (6, 29829870), (7, 25568460), (9, 19886580), (10, 17897922), (12, 14914935), (14, 12784230), (15, 11931948), (18, 9943290), (20, 8948961), (21, 8522820), (27, 6628860), (28, 6392115), (30, 5965974), (35, 5113692), (36, 4971645), (42, 4261410), (45, 3977316), (54, 3314430), (60, 2982987), (63, 2840940), (70, 2556846), (81, 2209620), (84, 2130705), (90, 1988658), (105, 1704564), (108, 1657215), (126, 1420470), (135, 1325772), (140, 1278423), (162, 1104810), (180, 994329), (189, 946980), (210, 852282), (243, 736540), (252, 710235), (270, 662886), (315, 568188), (324, 552405), (378, 473490), (405, 441924), (420, 426141), (486, 368270), (540, 331443), (567, 315660), (630, 284094), (756, 236745), (810, 220962), (945, 189396), (972, 184135), (1134, 157830), (1215, 147308), (1260, 142047), (1620, 110481), (1701, 105220), (1890, 94698), (2268, 78915), (2430, 73654), (2835, 63132), (3402, 52610), (3780, 47349), (4860, 36827), (5261, 34020), (5670, 31566), (6804, 26305), (8505, 21044), (10522, 17010), (11340, 15783)]