378495780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 1159663680

約数和(自身を除く): 781167900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 163, 169, 195, 229, 260, 326, 338, 390, 458, 489, 507, 652, 676, 687, 780, 815, 845, 916, 978, 1014, 1145, 1374, 1630, 1690, 1956, 2028, 2119, 2290, 2445, 2535, 2748, 2977, 3260, 3380, 3435, 4238, 4580, 4890, 5070, 5954, 6357, 6870, 8476, 8931, 9780, 10140, 10595, 11908, 12714, 13740, 14885, 17862, 21190, 25428, 27547, 29770, 31785, 35724, 37327, 38701, 42380, 44655, 55094, 59540, 63570, 74654, 77402, 82641, 89310, 110188, 111981, 116103, 127140, 137735, 149308, 154804, 165282, 178620, 186635, 193505, 223962, 232206, 275470, 330564, 373270, 387010, 413205, 447924, 464412, 485251, 550940, 559905, 580515, 746540, 774020, 826410, 970502, 1119810, 1161030, 1455753, 1652820, 1941004, 2239620, 2322060, 2426255, 2911506, 4852510, 5823012, 6308263, 7278765, 9705020, 12616526, 14557530, 18924789, 25233052, 29115060, 31541315, 37849578, 63082630, 75699156, 94623945, 126165260, 189247890, 378495780]

約数ペア:

[(1, 378495780), (2, 189247890), (3, 126165260), (4, 94623945), (5, 75699156), (6, 63082630), (10, 37849578), (12, 31541315), (13, 29115060), (15, 25233052), (20, 18924789), (26, 14557530), (30, 12616526), (39, 9705020), (52, 7278765), (60, 6308263), (65, 5823012), (78, 4852510), (130, 2911506), (156, 2426255), (163, 2322060), (169, 2239620), (195, 1941004), (229, 1652820), (260, 1455753), (326, 1161030), (338, 1119810), (390, 970502), (458, 826410), (489, 774020), (507, 746540), (652, 580515), (676, 559905), (687, 550940), (780, 485251), (815, 464412), (845, 447924), (916, 413205), (978, 387010), (1014, 373270), (1145, 330564), (1374, 275470), (1630, 232206), (1690, 223962), (1956, 193505), (2028, 186635), (2119, 178620), (2290, 165282), (2445, 154804), (2535, 149308), (2748, 137735), (2977, 127140), (3260, 116103), (3380, 111981), (3435, 110188), (4238, 89310), (4580, 82641), (4890, 77402), (5070, 74654), (5954, 63570), (6357, 59540), (6870, 55094), (8476, 44655), (8931, 42380), (9780, 38701), (10140, 37327), (10595, 35724), (11908, 31785), (12714, 29770), (13740, 27547), (14885, 25428), (17862, 21190)]