80572100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 213319680

約数和(自身を除く): 132747580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 47, 50, 62, 70, 79, 94, 100, 124, 140, 155, 158, 175, 188, 217, 235, 310, 316, 329, 350, 395, 434, 470, 553, 620, 658, 700, 775, 790, 868, 940, 1085, 1106, 1175, 1316, 1457, 1550, 1580, 1645, 1975, 2170, 2212, 2350, 2449, 2765, 2914, 3100, 3290, 3713, 3950, 4340, 4700, 4898, 5425, 5530, 5828, 6580, 7285, 7426, 7900, 8225, 9796, 10199, 10850, 11060, 12245, 13825, 14570, 14852, 16450, 17143, 18565, 20398, 21700, 24490, 25991, 27650, 29140, 32900, 34286, 36425, 37130, 40796, 48980, 50995, 51982, 55300, 61225, 68572, 72850, 74260, 85715, 92825, 101990, 103964, 115103, 122450, 129955, 145700, 171430, 185650, 203980, 230206, 244900, 254975, 259910, 342860, 371300, 428575, 460412, 509950, 519820, 575515, 649775, 805721, 857150, 1019900, 1151030, 1299550, 1611442, 1714300, 2302060, 2599100, 2877575, 3222884, 4028605, 5755150, 8057210, 11510300, 16114420, 20143025, 40286050, 80572100]

約数ペア:

[(1, 80572100), (2, 40286050), (4, 20143025), (5, 16114420), (7, 11510300), (10, 8057210), (14, 5755150), (20, 4028605), (25, 3222884), (28, 2877575), (31, 2599100), (35, 2302060), (47, 1714300), (50, 1611442), (62, 1299550), (70, 1151030), (79, 1019900), (94, 857150), (100, 805721), (124, 649775), (140, 575515), (155, 519820), (158, 509950), (175, 460412), (188, 428575), (217, 371300), (235, 342860), (310, 259910), (316, 254975), (329, 244900), (350, 230206), (395, 203980), (434, 185650), (470, 171430), (553, 145700), (620, 129955), (658, 122450), (700, 115103), (775, 103964), (790, 101990), (868, 92825), (940, 85715), (1085, 74260), (1106, 72850), (1175, 68572), (1316, 61225), (1457, 55300), (1550, 51982), (1580, 50995), (1645, 48980), (1975, 40796), (2170, 37130), (2212, 36425), (2350, 34286), (2449, 32900), (2765, 29140), (2914, 27650), (3100, 25991), (3290, 24490), (3713, 21700), (3950, 20398), (4340, 18565), (4700, 17143), (4898, 16450), (5425, 14852), (5530, 14570), (5828, 13825), (6580, 12245), (7285, 11060), (7426, 10850), (7900, 10199), (8225, 9796)]