268260980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:537

約数の個数: 96

約数和(自身を含む): 635378688

約数和(自身を除く): 367117708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 83, 124, 130, 155, 166, 260, 310, 332, 401, 403, 415, 620, 802, 806, 830, 1079, 1604, 1612, 1660, 2005, 2015, 2158, 2573, 4010, 4030, 4316, 5146, 5213, 5395, 8020, 8060, 10292, 10426, 10790, 12431, 12865, 20852, 21580, 24862, 25730, 26065, 33283, 33449, 49724, 51460, 52130, 62155, 66566, 66898, 104260, 124310, 133132, 133796, 161603, 166415, 167245, 248620, 323206, 332830, 334490, 432679, 646412, 665660, 668980, 808015, 865358, 1031773, 1616030, 1730716, 2063546, 2163395, 3232060, 4127092, 4326790, 5158865, 8653580, 10317730, 13413049, 20635460, 26826098, 53652196, 67065245, 134130490, 268260980]

約数ペア:

[(1, 268260980), (2, 134130490), (4, 67065245), (5, 53652196), (10, 26826098), (13, 20635460), (20, 13413049), (26, 10317730), (31, 8653580), (52, 5158865), (62, 4326790), (65, 4127092), (83, 3232060), (124, 2163395), (130, 2063546), (155, 1730716), (166, 1616030), (260, 1031773), (310, 865358), (332, 808015), (401, 668980), (403, 665660), (415, 646412), (620, 432679), (802, 334490), (806, 332830), (830, 323206), (1079, 248620), (1604, 167245), (1612, 166415), (1660, 161603), (2005, 133796), (2015, 133132), (2158, 124310), (2573, 104260), (4010, 66898), (4030, 66566), (4316, 62155), (5146, 52130), (5213, 51460), (5395, 49724), (8020, 33449), (8060, 33283), (10292, 26065), (10426, 25730), (10790, 24862), (12431, 21580), (12865, 20852)]