1215248520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{138727}}^1$

素因数の和:138814

約数の個数: 64

約数和(自身を含む): 3695713920

約数和(自身を除く): 2480465400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1752, 2190, 2920, 4380, 8760, 138727, 277454, 416181, 554908, 693635, 832362, 1109816, 1387270, 1664724, 2080905, 2774540, 3329448, 4161810, 5549080, 8323620, 10127071, 16647240, 20254142, 30381213, 40508284, 50635355, 60762426, 81016568, 101270710, 121524852, 151906065, 202541420, 243049704, 303812130, 405082840, 607624260, 1215248520]

約数ペア:

[(1, 1215248520), (2, 607624260), (3, 405082840), (4, 303812130), (5, 243049704), (6, 202541420), (8, 151906065), (10, 121524852), (12, 101270710), (15, 81016568), (20, 60762426), (24, 50635355), (30, 40508284), (40, 30381213), (60, 20254142), (73, 16647240), (120, 10127071), (146, 8323620), (219, 5549080), (292, 4161810), (365, 3329448), (438, 2774540), (584, 2080905), (730, 1664724), (876, 1387270), (1095, 1109816), (1460, 832362), (1752, 693635), (2190, 554908), (2920, 416181), (4380, 277454), (8760, 138727)]