128920860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42131}}^1$

素因数の和:42163

約数の個数: 72

約数和(自身を含む): 414073296

約数和(自身を除く): 285152436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 42131, 84262, 126393, 168524, 210655, 252786, 379179, 421310, 505572, 631965, 716227, 758358, 842620, 1263930, 1432454, 1516716, 1895895, 2148681, 2527860, 2864908, 3581135, 3791790, 4297362, 6446043, 7162270, 7583580, 8594724, 10743405, 12892086, 14324540, 21486810, 25784172, 32230215, 42973620, 64460430, 128920860]

約数ペア:

[(1, 128920860), (2, 64460430), (3, 42973620), (4, 32230215), (5, 25784172), (6, 21486810), (9, 14324540), (10, 12892086), (12, 10743405), (15, 8594724), (17, 7583580), (18, 7162270), (20, 6446043), (30, 4297362), (34, 3791790), (36, 3581135), (45, 2864908), (51, 2527860), (60, 2148681), (68, 1895895), (85, 1516716), (90, 1432454), (102, 1263930), (153, 842620), (170, 758358), (180, 716227), (204, 631965), (255, 505572), (306, 421310), (340, 379179), (510, 252786), (612, 210655), (765, 168524), (1020, 126393), (1530, 84262), (3060, 42131)]