42550620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 142375968

約数和(自身を除く): 99825348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 164, 196, 205, 210, 245, 246, 287, 294, 353, 410, 420, 490, 492, 574, 588, 615, 706, 735, 820, 861, 980, 1059, 1148, 1230, 1412, 1435, 1470, 1722, 1765, 2009, 2118, 2460, 2471, 2870, 2940, 3444, 3530, 4018, 4236, 4305, 4942, 5295, 5740, 6027, 7060, 7413, 8036, 8610, 9884, 10045, 10590, 12054, 12355, 14473, 14826, 17220, 17297, 20090, 21180, 24108, 24710, 28946, 29652, 30135, 34594, 37065, 40180, 43419, 49420, 51891, 57892, 60270, 69188, 72365, 74130, 86485, 86838, 101311, 103782, 120540, 144730, 148260, 172970, 173676, 202622, 207564, 217095, 259455, 289460, 303933, 345940, 405244, 434190, 506555, 518910, 607866, 709177, 868380, 1013110, 1037820, 1215732, 1418354, 1519665, 2026220, 2127531, 2836708, 3039330, 3545885, 4255062, 6078660, 7091770, 8510124, 10637655, 14183540, 21275310, 42550620]

約数ペア:

[(1, 42550620), (2, 21275310), (3, 14183540), (4, 10637655), (5, 8510124), (6, 7091770), (7, 6078660), (10, 4255062), (12, 3545885), (14, 3039330), (15, 2836708), (20, 2127531), (21, 2026220), (28, 1519665), (30, 1418354), (35, 1215732), (41, 1037820), (42, 1013110), (49, 868380), (60, 709177), (70, 607866), (82, 518910), (84, 506555), (98, 434190), (105, 405244), (123, 345940), (140, 303933), (147, 289460), (164, 259455), (196, 217095), (205, 207564), (210, 202622), (245, 173676), (246, 172970), (287, 148260), (294, 144730), (353, 120540), (410, 103782), (420, 101311), (490, 86838), (492, 86485), (574, 74130), (588, 72365), (615, 69188), (706, 60270), (735, 57892), (820, 51891), (861, 49420), (980, 43419), (1059, 40180), (1148, 37065), (1230, 34594), (1412, 30135), (1435, 29652), (1470, 28946), (1722, 24710), (1765, 24108), (2009, 21180), (2118, 20090), (2460, 17297), (2471, 17220), (2870, 14826), (2940, 14473), (3444, 12355), (3530, 12054), (4018, 10590), (4236, 10045), (4305, 9884), (4942, 8610), (5295, 8036), (5740, 7413), (6027, 7060)]