31784340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:614

約数の個数: 144

約数和(自身を含む): 109166400

約数和(自身を除く): 77382060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 569, 570, 588, 665, 735, 798, 931, 980, 1138, 1140, 1330, 1470, 1596, 1707, 1862, 1995, 2276, 2660, 2793, 2845, 2940, 3414, 3724, 3983, 3990, 4655, 5586, 5690, 6828, 7966, 7980, 8535, 9310, 10811, 11172, 11380, 11949, 13965, 15932, 17070, 18620, 19915, 21622, 23898, 27881, 27930, 32433, 34140, 39830, 43244, 47796, 54055, 55762, 55860, 59745, 64866, 75677, 79660, 83643, 108110, 111524, 119490, 129732, 139405, 151354, 162165, 167286, 216220, 227031, 238980, 278810, 302708, 324330, 334572, 378385, 418215, 454062, 529739, 557620, 648660, 756770, 836430, 908124, 1059478, 1135155, 1513540, 1589217, 1672860, 2118956, 2270310, 2648695, 3178434, 4540620, 5297390, 6356868, 7946085, 10594780, 15892170, 31784340]

約数ペア:

[(1, 31784340), (2, 15892170), (3, 10594780), (4, 7946085), (5, 6356868), (6, 5297390), (7, 4540620), (10, 3178434), (12, 2648695), (14, 2270310), (15, 2118956), (19, 1672860), (20, 1589217), (21, 1513540), (28, 1135155), (30, 1059478), (35, 908124), (38, 836430), (42, 756770), (49, 648660), (57, 557620), (60, 529739), (70, 454062), (76, 418215), (84, 378385), (95, 334572), (98, 324330), (105, 302708), (114, 278810), (133, 238980), (140, 227031), (147, 216220), (190, 167286), (196, 162165), (210, 151354), (228, 139405), (245, 129732), (266, 119490), (285, 111524), (294, 108110), (380, 83643), (399, 79660), (420, 75677), (490, 64866), (532, 59745), (569, 55860), (570, 55762), (588, 54055), (665, 47796), (735, 43244), (798, 39830), (931, 34140), (980, 32433), (1138, 27930), (1140, 27881), (1330, 23898), (1470, 21622), (1596, 19915), (1707, 18620), (1862, 17070), (1995, 15932), (2276, 13965), (2660, 11949), (2793, 11380), (2845, 11172), (2940, 10811), (3414, 9310), (3724, 8535), (3983, 7980), (3990, 7966), (4655, 6828), (5586, 5690)]