86271780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{569}}^1$

素因数の和:626

約数の個数: 144

約数和(自身を含む): 291876480

約数和(自身を除く): 205604700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 361, 380, 399, 420, 532, 569, 570, 665, 722, 798, 1083, 1138, 1140, 1330, 1444, 1596, 1707, 1805, 1995, 2166, 2276, 2527, 2660, 2845, 3414, 3610, 3983, 3990, 4332, 5054, 5415, 5690, 6828, 7220, 7581, 7966, 7980, 8535, 10108, 10811, 10830, 11380, 11949, 12635, 15162, 15932, 17070, 19915, 21622, 21660, 23898, 25270, 30324, 32433, 34140, 37905, 39830, 43244, 47796, 50540, 54055, 59745, 64866, 75677, 75810, 79660, 108110, 119490, 129732, 151354, 151620, 162165, 205409, 216220, 227031, 238980, 302708, 324330, 378385, 410818, 454062, 616227, 648660, 756770, 821636, 908124, 1027045, 1135155, 1232454, 1437863, 1513540, 2054090, 2270310, 2464908, 2875726, 3081135, 4108180, 4313589, 4540620, 5751452, 6162270, 7189315, 8627178, 12324540, 14378630, 17254356, 21567945, 28757260, 43135890, 86271780]

約数ペア:

[(1, 86271780), (2, 43135890), (3, 28757260), (4, 21567945), (5, 17254356), (6, 14378630), (7, 12324540), (10, 8627178), (12, 7189315), (14, 6162270), (15, 5751452), (19, 4540620), (20, 4313589), (21, 4108180), (28, 3081135), (30, 2875726), (35, 2464908), (38, 2270310), (42, 2054090), (57, 1513540), (60, 1437863), (70, 1232454), (76, 1135155), (84, 1027045), (95, 908124), (105, 821636), (114, 756770), (133, 648660), (140, 616227), (190, 454062), (210, 410818), (228, 378385), (266, 324330), (285, 302708), (361, 238980), (380, 227031), (399, 216220), (420, 205409), (532, 162165), (569, 151620), (570, 151354), (665, 129732), (722, 119490), (798, 108110), (1083, 79660), (1138, 75810), (1140, 75677), (1330, 64866), (1444, 59745), (1596, 54055), (1707, 50540), (1805, 47796), (1995, 43244), (2166, 39830), (2276, 37905), (2527, 34140), (2660, 32433), (2845, 30324), (3414, 25270), (3610, 23898), (3983, 21660), (3990, 21622), (4332, 19915), (5054, 17070), (5415, 15932), (5690, 15162), (6828, 12635), (7220, 11949), (7581, 11380), (7966, 10830), (7980, 10811), (8535, 10108)]