8497720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 128

約数和(自身を含む): 24883200

約数和(自身を除く): 16385480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 89, 110, 124, 140, 154, 155, 178, 217, 220, 248, 280, 308, 310, 341, 356, 385, 434, 440, 445, 616, 620, 623, 682, 712, 770, 868, 890, 979, 1085, 1240, 1246, 1364, 1540, 1705, 1736, 1780, 1958, 2170, 2387, 2492, 2728, 2759, 3080, 3115, 3410, 3560, 3916, 4340, 4774, 4895, 4984, 5518, 6230, 6820, 6853, 7832, 8680, 9548, 9790, 11036, 11935, 12460, 13640, 13706, 13795, 19096, 19313, 19580, 22072, 23870, 24920, 27412, 27590, 30349, 34265, 38626, 39160, 47740, 54824, 55180, 60698, 68530, 77252, 95480, 96565, 110360, 121396, 137060, 151745, 154504, 193130, 212443, 242792, 274120, 303490, 386260, 424886, 606980, 772520, 849772, 1062215, 1213960, 1699544, 2124430, 4248860, 8497720]

約数ペア:

[(1, 8497720), (2, 4248860), (4, 2124430), (5, 1699544), (7, 1213960), (8, 1062215), (10, 849772), (11, 772520), (14, 606980), (20, 424886), (22, 386260), (28, 303490), (31, 274120), (35, 242792), (40, 212443), (44, 193130), (55, 154504), (56, 151745), (62, 137060), (70, 121396), (77, 110360), (88, 96565), (89, 95480), (110, 77252), (124, 68530), (140, 60698), (154, 55180), (155, 54824), (178, 47740), (217, 39160), (220, 38626), (248, 34265), (280, 30349), (308, 27590), (310, 27412), (341, 24920), (356, 23870), (385, 22072), (434, 19580), (440, 19313), (445, 19096), (616, 13795), (620, 13706), (623, 13640), (682, 12460), (712, 11935), (770, 11036), (868, 9790), (890, 9548), (979, 8680), (1085, 7832), (1240, 6853), (1246, 6820), (1364, 6230), (1540, 5518), (1705, 4984), (1736, 4895), (1780, 4774), (1958, 4340), (2170, 3916), (2387, 3560), (2492, 3410), (2728, 3115), (2759, 3080)]