30906540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1332

約数の個数: 144

約数和(自身を含む): 112869120

約数和(自身を除く): 81962580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1291, 1330, 1596, 1710, 1995, 2394, 2582, 2660, 3420, 3873, 3990, 4788, 5164, 5985, 6455, 7746, 7980, 9037, 11619, 11970, 12910, 15492, 18074, 19365, 23238, 23940, 24529, 25820, 27111, 36148, 38730, 45185, 46476, 49058, 54222, 58095, 73587, 77460, 81333, 90370, 98116, 108444, 116190, 122645, 135555, 147174, 162666, 171703, 180740, 220761, 232380, 245290, 271110, 294348, 325332, 343406, 367935, 406665, 441522, 490580, 515109, 542220, 686812, 735870, 813330, 858515, 883044, 1030218, 1103805, 1471740, 1545327, 1626660, 1717030, 2060436, 2207610, 2575545, 3090654, 3434060, 4415220, 5151090, 6181308, 7726635, 10302180, 15453270, 30906540]

約数ペア:

[(1, 30906540), (2, 15453270), (3, 10302180), (4, 7726635), (5, 6181308), (6, 5151090), (7, 4415220), (9, 3434060), (10, 3090654), (12, 2575545), (14, 2207610), (15, 2060436), (18, 1717030), (19, 1626660), (20, 1545327), (21, 1471740), (28, 1103805), (30, 1030218), (35, 883044), (36, 858515), (38, 813330), (42, 735870), (45, 686812), (57, 542220), (60, 515109), (63, 490580), (70, 441522), (76, 406665), (84, 367935), (90, 343406), (95, 325332), (105, 294348), (114, 271110), (126, 245290), (133, 232380), (140, 220761), (171, 180740), (180, 171703), (190, 162666), (210, 147174), (228, 135555), (252, 122645), (266, 116190), (285, 108444), (315, 98116), (342, 90370), (380, 81333), (399, 77460), (420, 73587), (532, 58095), (570, 54222), (630, 49058), (665, 46476), (684, 45185), (798, 38730), (855, 36148), (1140, 27111), (1197, 25820), (1260, 24529), (1291, 23940), (1330, 23238), (1596, 19365), (1710, 18074), (1995, 15492), (2394, 12910), (2582, 11970), (2660, 11619), (3420, 9037), (3873, 7980), (3990, 7746), (4788, 6455), (5164, 5985)]