128810430

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{204461}}^1$

素因数の和:204481

約数の個数: 48

約数和(自身を含む): 382752864

約数和(自身を除く): 253942434

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 204461, 408922, 613383, 1022305, 1226766, 1431227, 1840149, 2044610, 2862454, 3066915, 3680298, 4293681, 6133830, 7156135, 8587362, 9200745, 12881043, 14312270, 18401490, 21468405, 25762086, 42936810, 64405215, 128810430]

約数ペア:

[(1, 128810430), (2, 64405215), (3, 42936810), (5, 25762086), (6, 21468405), (7, 18401490), (9, 14312270), (10, 12881043), (14, 9200745), (15, 8587362), (18, 7156135), (21, 6133830), (30, 4293681), (35, 3680298), (42, 3066915), (45, 2862454), (63, 2044610), (70, 1840149), (90, 1431227), (105, 1226766), (126, 1022305), (210, 613383), (315, 408922), (630, 204461)]