306913360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6863}}^1$

素因数の和:6932

約数の個数: 80

約数和(自身を含む): 786449664

約数和(自身を除く): 479536304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1720, 2236, 2795, 3440, 4472, 5590, 6863, 8944, 11180, 13726, 22360, 27452, 34315, 44720, 54904, 68630, 89219, 109808, 137260, 178438, 274520, 295109, 356876, 446095, 549040, 590218, 713752, 892190, 1180436, 1427504, 1475545, 1784380, 2360872, 2951090, 3568760, 3836417, 4721744, 5902180, 7137520, 7672834, 11804360, 15345668, 19182085, 23608720, 30691336, 38364170, 61382672, 76728340, 153456680, 306913360]

約数ペア:

[(1, 306913360), (2, 153456680), (4, 76728340), (5, 61382672), (8, 38364170), (10, 30691336), (13, 23608720), (16, 19182085), (20, 15345668), (26, 11804360), (40, 7672834), (43, 7137520), (52, 5902180), (65, 4721744), (80, 3836417), (86, 3568760), (104, 2951090), (130, 2360872), (172, 1784380), (208, 1475545), (215, 1427504), (260, 1180436), (344, 892190), (430, 713752), (520, 590218), (559, 549040), (688, 446095), (860, 356876), (1040, 295109), (1118, 274520), (1720, 178438), (2236, 137260), (2795, 109808), (3440, 89219), (4472, 68630), (5590, 54904), (6863, 44720), (8944, 34315), (11180, 27452), (13726, 22360)]