181261340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:619

約数の個数: 96

約数和(自身を含む): 433821696

約数和(自身を除く): 252560356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 43, 52, 62, 65, 86, 124, 130, 155, 172, 215, 260, 310, 403, 430, 523, 559, 620, 806, 860, 1046, 1118, 1333, 1612, 2015, 2092, 2236, 2615, 2666, 2795, 4030, 5230, 5332, 5590, 6665, 6799, 8060, 10460, 11180, 13330, 13598, 16213, 17329, 22489, 26660, 27196, 32426, 33995, 34658, 44978, 64852, 67990, 69316, 81065, 86645, 89956, 112445, 135980, 162130, 173290, 210769, 224890, 292357, 324260, 346580, 421538, 449780, 584714, 697159, 843076, 1053845, 1169428, 1394318, 1461785, 2107690, 2788636, 2923570, 3485795, 4215380, 5847140, 6971590, 9063067, 13943180, 18126134, 36252268, 45315335, 90630670, 181261340]

約数ペア:

[(1, 181261340), (2, 90630670), (4, 45315335), (5, 36252268), (10, 18126134), (13, 13943180), (20, 9063067), (26, 6971590), (31, 5847140), (43, 4215380), (52, 3485795), (62, 2923570), (65, 2788636), (86, 2107690), (124, 1461785), (130, 1394318), (155, 1169428), (172, 1053845), (215, 843076), (260, 697159), (310, 584714), (403, 449780), (430, 421538), (523, 346580), (559, 324260), (620, 292357), (806, 224890), (860, 210769), (1046, 173290), (1118, 162130), (1333, 135980), (1612, 112445), (2015, 89956), (2092, 86645), (2236, 81065), (2615, 69316), (2666, 67990), (2795, 64852), (4030, 44978), (5230, 34658), (5332, 33995), (5590, 32426), (6665, 27196), (6799, 26660), (8060, 22489), (10460, 17329), (11180, 16213), (13330, 13598)]