1520282780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1\times {\mathrm{953}}^1$

素因数の和:1107

約数の個数: 72

約数和(自身を含む): 3342152016

約数和(自身を除く): 1821869236

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 310, 332, 415, 620, 830, 953, 961, 1660, 1906, 1922, 2573, 3812, 3844, 4765, 4805, 5146, 9530, 9610, 10292, 12865, 19060, 19220, 25730, 29543, 51460, 59086, 79099, 79763, 118172, 147715, 158198, 159526, 295430, 316396, 319052, 395495, 398815, 590860, 790990, 797630, 915833, 1581980, 1595260, 1831666, 2452069, 3663332, 4579165, 4904138, 9158330, 9808276, 12260345, 18316660, 24520690, 49041380, 76014139, 152028278, 304056556, 380070695, 760141390, 1520282780]

約数ペア:

[(1, 1520282780), (2, 760141390), (4, 380070695), (5, 304056556), (10, 152028278), (20, 76014139), (31, 49041380), (62, 24520690), (83, 18316660), (124, 12260345), (155, 9808276), (166, 9158330), (310, 4904138), (332, 4579165), (415, 3663332), (620, 2452069), (830, 1831666), (953, 1595260), (961, 1581980), (1660, 915833), (1906, 797630), (1922, 790990), (2573, 590860), (3812, 398815), (3844, 395495), (4765, 319052), (4805, 316396), (5146, 295430), (9530, 159526), (9610, 158198), (10292, 147715), (12865, 118172), (19060, 79763), (19220, 79099), (25730, 59086), (29543, 51460)]