1155420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{131}}^1$

素因数の和:160

約数の個数: 108

約数和(自身を含む): 4108104

約数和(自身を除く): 2952684

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 131, 140, 147, 180, 196, 210, 245, 252, 262, 294, 315, 393, 420, 441, 490, 524, 588, 630, 655, 735, 786, 882, 917, 980, 1179, 1260, 1310, 1470, 1572, 1764, 1834, 1965, 2205, 2358, 2620, 2751, 2940, 3668, 3930, 4410, 4585, 4716, 5502, 5895, 6419, 7860, 8253, 8820, 9170, 11004, 11790, 12838, 13755, 16506, 18340, 19257, 23580, 25676, 27510, 32095, 33012, 38514, 41265, 55020, 57771, 64190, 77028, 82530, 96285, 115542, 128380, 165060, 192570, 231084, 288855, 385140, 577710, 1155420]

約数ペア:

[(1, 1155420), (2, 577710), (3, 385140), (4, 288855), (5, 231084), (6, 192570), (7, 165060), (9, 128380), (10, 115542), (12, 96285), (14, 82530), (15, 77028), (18, 64190), (20, 57771), (21, 55020), (28, 41265), (30, 38514), (35, 33012), (36, 32095), (42, 27510), (45, 25676), (49, 23580), (60, 19257), (63, 18340), (70, 16506), (84, 13755), (90, 12838), (98, 11790), (105, 11004), (126, 9170), (131, 8820), (140, 8253), (147, 7860), (180, 6419), (196, 5895), (210, 5502), (245, 4716), (252, 4585), (262, 4410), (294, 3930), (315, 3668), (393, 2940), (420, 2751), (441, 2620), (490, 2358), (524, 2205), (588, 1965), (630, 1834), (655, 1764), (735, 1572), (786, 1470), (882, 1310), (917, 1260), (980, 1179)]