221538480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2557}}^1$

素因数の和:2611

約数の個数: 120

約数和(自身を含む): 725100912

約数和(自身を除く): 503562432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 361, 380, 456, 570, 722, 760, 912, 1083, 1140, 1444, 1520, 1805, 2166, 2280, 2557, 2888, 3610, 4332, 4560, 5114, 5415, 5776, 7220, 7671, 8664, 10228, 10830, 12785, 14440, 15342, 17328, 20456, 21660, 25570, 28880, 30684, 38355, 40912, 43320, 48583, 51140, 61368, 76710, 86640, 97166, 102280, 122736, 145749, 153420, 194332, 204560, 242915, 291498, 306840, 388664, 485830, 582996, 613680, 728745, 777328, 923077, 971660, 1165992, 1457490, 1846154, 1943320, 2331984, 2769231, 2914980, 3692308, 3886640, 4615385, 5538462, 5829960, 7384616, 9230770, 11076924, 11659920, 13846155, 14769232, 18461540, 22153848, 27692310, 36923080, 44307696, 55384620, 73846160, 110769240, 221538480]

約数ペア:

[(1, 221538480), (2, 110769240), (3, 73846160), (4, 55384620), (5, 44307696), (6, 36923080), (8, 27692310), (10, 22153848), (12, 18461540), (15, 14769232), (16, 13846155), (19, 11659920), (20, 11076924), (24, 9230770), (30, 7384616), (38, 5829960), (40, 5538462), (48, 4615385), (57, 3886640), (60, 3692308), (76, 2914980), (80, 2769231), (95, 2331984), (114, 1943320), (120, 1846154), (152, 1457490), (190, 1165992), (228, 971660), (240, 923077), (285, 777328), (304, 728745), (361, 613680), (380, 582996), (456, 485830), (570, 388664), (722, 306840), (760, 291498), (912, 242915), (1083, 204560), (1140, 194332), (1444, 153420), (1520, 145749), (1805, 122736), (2166, 102280), (2280, 97166), (2557, 86640), (2888, 76710), (3610, 61368), (4332, 51140), (4560, 48583), (5114, 43320), (5415, 40912), (5776, 38355), (7220, 30684), (7671, 28880), (8664, 25570), (10228, 21660), (10830, 20456), (12785, 17328), (14440, 15342)]