8027880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:543

約数の個数: 128

約数和(自身を含む): 29030400

約数和(自身を除く): 21002520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 503, 532, 570, 665, 760, 798, 840, 1006, 1064, 1140, 1330, 1509, 1596, 1995, 2012, 2280, 2515, 2660, 3018, 3192, 3521, 3990, 4024, 5030, 5320, 6036, 7042, 7545, 7980, 9557, 10060, 10563, 12072, 14084, 15090, 15960, 17605, 19114, 20120, 21126, 28168, 28671, 30180, 35210, 38228, 42252, 47785, 52815, 57342, 60360, 66899, 70420, 76456, 84504, 95570, 105630, 114684, 133798, 140840, 143355, 191140, 200697, 211260, 229368, 267596, 286710, 334495, 382280, 401394, 422520, 535192, 573420, 668990, 802788, 1003485, 1146840, 1337980, 1605576, 2006970, 2675960, 4013940, 8027880]

約数ペア:

[(1, 8027880), (2, 4013940), (3, 2675960), (4, 2006970), (5, 1605576), (6, 1337980), (7, 1146840), (8, 1003485), (10, 802788), (12, 668990), (14, 573420), (15, 535192), (19, 422520), (20, 401394), (21, 382280), (24, 334495), (28, 286710), (30, 267596), (35, 229368), (38, 211260), (40, 200697), (42, 191140), (56, 143355), (57, 140840), (60, 133798), (70, 114684), (76, 105630), (84, 95570), (95, 84504), (105, 76456), (114, 70420), (120, 66899), (133, 60360), (140, 57342), (152, 52815), (168, 47785), (190, 42252), (210, 38228), (228, 35210), (266, 30180), (280, 28671), (285, 28168), (380, 21126), (399, 20120), (420, 19114), (456, 17605), (503, 15960), (532, 15090), (570, 14084), (665, 12072), (760, 10563), (798, 10060), (840, 9557), (1006, 7980), (1064, 7545), (1140, 7042), (1330, 6036), (1509, 5320), (1596, 5030), (1995, 4024), (2012, 3990), (2280, 3521), (2515, 3192), (2660, 3018)]