84578940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7703}}^1$

素因数の和:7779

約数の個数: 72

約数和(自身を含む): 260795808

約数和(自身を除く): 176216868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 7703, 10980, 15406, 23109, 30812, 38515, 46218, 69327, 77030, 92436, 115545, 138654, 154060, 231090, 277308, 346635, 462180, 469883, 693270, 939766, 1386540, 1409649, 1879532, 2349415, 2819298, 4228947, 4698830, 5638596, 7048245, 8457894, 9397660, 14096490, 16915788, 21144735, 28192980, 42289470, 84578940]

約数ペア:

[(1, 84578940), (2, 42289470), (3, 28192980), (4, 21144735), (5, 16915788), (6, 14096490), (9, 9397660), (10, 8457894), (12, 7048245), (15, 5638596), (18, 4698830), (20, 4228947), (30, 2819298), (36, 2349415), (45, 1879532), (60, 1409649), (61, 1386540), (90, 939766), (122, 693270), (180, 469883), (183, 462180), (244, 346635), (305, 277308), (366, 231090), (549, 154060), (610, 138654), (732, 115545), (915, 92436), (1098, 77030), (1220, 69327), (1830, 46218), (2196, 38515), (2745, 30812), (3660, 23109), (5490, 15406), (7703, 10980)]