1638420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 5419008

約数和(自身を除く): 3780588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 83, 84, 94, 105, 140, 141, 166, 188, 210, 235, 249, 282, 329, 332, 415, 420, 470, 498, 564, 581, 658, 705, 830, 940, 987, 996, 1162, 1245, 1316, 1410, 1645, 1660, 1743, 1974, 2324, 2490, 2820, 2905, 3290, 3486, 3901, 3948, 4935, 4980, 5810, 6580, 6972, 7802, 8715, 9870, 11620, 11703, 15604, 17430, 19505, 19740, 23406, 27307, 34860, 39010, 46812, 54614, 58515, 78020, 81921, 109228, 117030, 136535, 163842, 234060, 273070, 327684, 409605, 546140, 819210, 1638420]

約数ペア:

[(1, 1638420), (2, 819210), (3, 546140), (4, 409605), (5, 327684), (6, 273070), (7, 234060), (10, 163842), (12, 136535), (14, 117030), (15, 109228), (20, 81921), (21, 78020), (28, 58515), (30, 54614), (35, 46812), (42, 39010), (47, 34860), (60, 27307), (70, 23406), (83, 19740), (84, 19505), (94, 17430), (105, 15604), (140, 11703), (141, 11620), (166, 9870), (188, 8715), (210, 7802), (235, 6972), (249, 6580), (282, 5810), (329, 4980), (332, 4935), (415, 3948), (420, 3901), (470, 3486), (498, 3290), (564, 2905), (581, 2820), (658, 2490), (705, 2324), (830, 1974), (940, 1743), (987, 1660), (996, 1645), (1162, 1410), (1245, 1316)]