142834020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2557}}^1$

素因数の和:2602

約数の個数: 144

約数和(自身を含む): 489908160

約数和(自身を除く): 347074140

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, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2557, 2660, 2793, 2940, 3724, 3990, 4655, 5114, 5586, 7671, 7980, 9310, 10228, 11172, 12785, 13965, 15342, 17899, 18620, 25570, 27930, 30684, 35798, 38355, 48583, 51140, 53697, 55860, 71596, 76710, 89495, 97166, 107394, 125293, 145749, 153420, 178990, 194332, 214788, 242915, 250586, 268485, 291498, 340081, 357980, 375879, 485830, 501172, 536970, 582996, 626465, 680162, 728745, 751758, 971660, 1020243, 1073940, 1252930, 1360324, 1457490, 1503516, 1700405, 1879395, 2040486, 2380567, 2505860, 2914980, 3400810, 3758790, 4080972, 4761134, 5101215, 6801620, 7141701, 7517580, 9522268, 10202430, 11902835, 14283402, 20404860, 23805670, 28566804, 35708505, 47611340, 71417010, 142834020]

約数ペア:

[(1, 142834020), (2, 71417010), (3, 47611340), (4, 35708505), (5, 28566804), (6, 23805670), (7, 20404860), (10, 14283402), (12, 11902835), (14, 10202430), (15, 9522268), (19, 7517580), (20, 7141701), (21, 6801620), (28, 5101215), (30, 4761134), (35, 4080972), (38, 3758790), (42, 3400810), (49, 2914980), (57, 2505860), (60, 2380567), (70, 2040486), (76, 1879395), (84, 1700405), (95, 1503516), (98, 1457490), (105, 1360324), (114, 1252930), (133, 1073940), (140, 1020243), (147, 971660), (190, 751758), (196, 728745), (210, 680162), (228, 626465), (245, 582996), (266, 536970), (285, 501172), (294, 485830), (380, 375879), (399, 357980), (420, 340081), (490, 291498), (532, 268485), (570, 250586), (588, 242915), (665, 214788), (735, 194332), (798, 178990), (931, 153420), (980, 145749), (1140, 125293), (1330, 107394), (1470, 97166), (1596, 89495), (1862, 76710), (1995, 71596), (2557, 55860), (2660, 53697), (2793, 51140), (2940, 48583), (3724, 38355), (3990, 35798), (4655, 30684), (5114, 27930), (5586, 25570), (7671, 18620), (7980, 17899), (9310, 15342), (10228, 13965), (11172, 12785)]