30391830

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2539}}^1$

素因数の和:2578

約数の個数: 96

約数和(自身を含む): 95097600

約数和(自身を除く): 64705770

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 171, 190, 210, 266, 285, 315, 342, 399, 570, 630, 665, 798, 855, 1197, 1330, 1710, 1995, 2394, 2539, 3990, 5078, 5985, 7617, 11970, 12695, 15234, 17773, 22851, 25390, 35546, 38085, 45702, 48241, 53319, 76170, 88865, 96482, 106638, 114255, 144723, 159957, 177730, 228510, 241205, 266595, 289446, 319914, 337687, 434169, 482410, 533190, 675374, 723615, 799785, 868338, 1013061, 1447230, 1599570, 1688435, 2026122, 2170845, 3039183, 3376870, 4341690, 5065305, 6078366, 10130610, 15195915, 30391830]

約数ペア:

[(1, 30391830), (2, 15195915), (3, 10130610), (5, 6078366), (6, 5065305), (7, 4341690), (9, 3376870), (10, 3039183), (14, 2170845), (15, 2026122), (18, 1688435), (19, 1599570), (21, 1447230), (30, 1013061), (35, 868338), (38, 799785), (42, 723615), (45, 675374), (57, 533190), (63, 482410), (70, 434169), (90, 337687), (95, 319914), (105, 289446), (114, 266595), (126, 241205), (133, 228510), (171, 177730), (190, 159957), (210, 144723), (266, 114255), (285, 106638), (315, 96482), (342, 88865), (399, 76170), (570, 53319), (630, 48241), (665, 45702), (798, 38085), (855, 35546), (1197, 25390), (1330, 22851), (1710, 17773), (1995, 15234), (2394, 12695), (2539, 11970), (3990, 7617), (5078, 5985)]