165440800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{953}}^1$

素因数の和:1011

約数の個数: 144

約数和(自身を含む): 476969472

約数和(自身を除く): 311528672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 160, 175, 200, 217, 224, 248, 280, 310, 350, 400, 434, 496, 560, 620, 700, 775, 800, 868, 953, 992, 1085, 1120, 1240, 1400, 1550, 1736, 1906, 2170, 2480, 2800, 3100, 3472, 3812, 4340, 4765, 4960, 5425, 5600, 6200, 6671, 6944, 7624, 8680, 9530, 10850, 12400, 13342, 15248, 17360, 19060, 21700, 23825, 24800, 26684, 29543, 30496, 33355, 34720, 38120, 43400, 47650, 53368, 59086, 66710, 76240, 86800, 95300, 106736, 118172, 133420, 147715, 152480, 166775, 173600, 190600, 206801, 213472, 236344, 266840, 295430, 333550, 381200, 413602, 472688, 533680, 590860, 667100, 738575, 762400, 827204, 945376, 1034005, 1067360, 1181720, 1334200, 1477150, 1654408, 2068010, 2363440, 2668400, 2954300, 3308816, 4136020, 4726880, 5170025, 5336800, 5908600, 6617632, 8272040, 10340050, 11817200, 16544080, 20680100, 23634400, 33088160, 41360200, 82720400, 165440800]

約数ペア:

[(1, 165440800), (2, 82720400), (4, 41360200), (5, 33088160), (7, 23634400), (8, 20680100), (10, 16544080), (14, 11817200), (16, 10340050), (20, 8272040), (25, 6617632), (28, 5908600), (31, 5336800), (32, 5170025), (35, 4726880), (40, 4136020), (50, 3308816), (56, 2954300), (62, 2668400), (70, 2363440), (80, 2068010), (100, 1654408), (112, 1477150), (124, 1334200), (140, 1181720), (155, 1067360), (160, 1034005), (175, 945376), (200, 827204), (217, 762400), (224, 738575), (248, 667100), (280, 590860), (310, 533680), (350, 472688), (400, 413602), (434, 381200), (496, 333550), (560, 295430), (620, 266840), (700, 236344), (775, 213472), (800, 206801), (868, 190600), (953, 173600), (992, 166775), (1085, 152480), (1120, 147715), (1240, 133420), (1400, 118172), (1550, 106736), (1736, 95300), (1906, 86800), (2170, 76240), (2480, 66710), (2800, 59086), (3100, 53368), (3472, 47650), (3812, 43400), (4340, 38120), (4765, 34720), (4960, 33355), (5425, 30496), (5600, 29543), (6200, 26684), (6671, 24800), (6944, 23825), (7624, 21700), (8680, 19060), (9530, 17360), (10850, 15248), (12400, 13342)]