1248509220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{631}}^1\times {\mathrm{673}}^1$

素因数の和:1330

約数の個数: 144

約数和(自身を含む): 4079069568

約数和(自身を除く): 2830560348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 631, 673, 735, 980, 1262, 1346, 1470, 1893, 2019, 2524, 2692, 2940, 3155, 3365, 3786, 4038, 4417, 4711, 6310, 6730, 7572, 8076, 8834, 9422, 9465, 10095, 12620, 13251, 13460, 14133, 17668, 18844, 18930, 20190, 22085, 23555, 26502, 28266, 30919, 32977, 37860, 40380, 44170, 47110, 53004, 56532, 61838, 65954, 66255, 70665, 88340, 92757, 94220, 98931, 123676, 131908, 132510, 141330, 154595, 164885, 185514, 197862, 265020, 282660, 309190, 329770, 371028, 395724, 424663, 463785, 494655, 618380, 659540, 849326, 927570, 989310, 1273989, 1698652, 1855140, 1978620, 2123315, 2547978, 2972641, 4246630, 5095956, 5945282, 6369945, 8493260, 8917923, 11890564, 12739890, 14863205, 17835846, 20808487, 25479780, 29726410, 35671692, 41616974, 44589615, 59452820, 62425461, 83233948, 89179230, 104042435, 124850922, 178358460, 208084870, 249701844, 312127305, 416169740, 624254610, 1248509220]

約数ペア:

[(1, 1248509220), (2, 624254610), (3, 416169740), (4, 312127305), (5, 249701844), (6, 208084870), (7, 178358460), (10, 124850922), (12, 104042435), (14, 89179230), (15, 83233948), (20, 62425461), (21, 59452820), (28, 44589615), (30, 41616974), (35, 35671692), (42, 29726410), (49, 25479780), (60, 20808487), (70, 17835846), (84, 14863205), (98, 12739890), (105, 11890564), (140, 8917923), (147, 8493260), (196, 6369945), (210, 5945282), (245, 5095956), (294, 4246630), (420, 2972641), (490, 2547978), (588, 2123315), (631, 1978620), (673, 1855140), (735, 1698652), (980, 1273989), (1262, 989310), (1346, 927570), (1470, 849326), (1893, 659540), (2019, 618380), (2524, 494655), (2692, 463785), (2940, 424663), (3155, 395724), (3365, 371028), (3786, 329770), (4038, 309190), (4417, 282660), (4711, 265020), (6310, 197862), (6730, 185514), (7572, 164885), (8076, 154595), (8834, 141330), (9422, 132510), (9465, 131908), (10095, 123676), (12620, 98931), (13251, 94220), (13460, 92757), (14133, 88340), (17668, 70665), (18844, 66255), (18930, 65954), (20190, 61838), (22085, 56532), (23555, 53004), (26502, 47110), (28266, 44170), (30919, 40380), (32977, 37860)]