1620231720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{911}}^1\times {\mathrm{14821}}^1$

素因数の和:15746

約数の個数: 64

約数和(自身を含む): 4866359040

約数和(自身を除く): 3246127320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 911, 1822, 2733, 3644, 4555, 5466, 7288, 9110, 10932, 13665, 14821, 18220, 21864, 27330, 29642, 36440, 44463, 54660, 59284, 74105, 88926, 109320, 118568, 148210, 177852, 222315, 296420, 355704, 444630, 592840, 889260, 1778520, 13501931, 27003862, 40505793, 54007724, 67509655, 81011586, 108015448, 135019310, 162023172, 202528965, 270038620, 324046344, 405057930, 540077240, 810115860, 1620231720]

約数ペア:

[(1, 1620231720), (2, 810115860), (3, 540077240), (4, 405057930), (5, 324046344), (6, 270038620), (8, 202528965), (10, 162023172), (12, 135019310), (15, 108015448), (20, 81011586), (24, 67509655), (30, 54007724), (40, 40505793), (60, 27003862), (120, 13501931), (911, 1778520), (1822, 889260), (2733, 592840), (3644, 444630), (4555, 355704), (5466, 296420), (7288, 222315), (9110, 177852), (10932, 148210), (13665, 118568), (14821, 109320), (18220, 88926), (21864, 74105), (27330, 59284), (29642, 54660), (36440, 44463)]