30680390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 64253952

約数和(自身を除く): 33573562

約数列:

[1, 2, 5, 10, 13, 23, 26, 31, 46, 62, 65, 115, 130, 155, 230, 299, 310, 331, 403, 598, 662, 713, 806, 1426, 1495, 1655, 2015, 2990, 3310, 3565, 4030, 4303, 7130, 7613, 8606, 9269, 10261, 15226, 18538, 20522, 21515, 38065, 43030, 46345, 51305, 76130, 92690, 98969, 102610, 133393, 197938, 236003, 266786, 472006, 494845, 666965, 989690, 1180015, 1333930, 2360030, 3068039, 6136078, 15340195, 30680390]

約数ペア:

[(1, 30680390), (2, 15340195), (5, 6136078), (10, 3068039), (13, 2360030), (23, 1333930), (26, 1180015), (31, 989690), (46, 666965), (62, 494845), (65, 472006), (115, 266786), (130, 236003), (155, 197938), (230, 133393), (299, 102610), (310, 98969), (331, 92690), (403, 76130), (598, 51305), (662, 46345), (713, 43030), (806, 38065), (1426, 21515), (1495, 20522), (1655, 18538), (2015, 15226), (2990, 10261), (3310, 9269), (3565, 8606), (4030, 7613), (4303, 7130)]