721569160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{173}}^1\times {\mathrm{617}}^1$

素因数の和:827

約数の個数: 96

約数和(自身を含む): 1771052040

約数和(自身を除く): 1049482880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 173, 260, 338, 346, 520, 617, 676, 692, 845, 865, 1234, 1352, 1384, 1690, 1730, 2249, 2468, 3085, 3380, 3460, 4498, 4936, 6170, 6760, 6920, 8021, 8996, 11245, 12340, 16042, 17992, 22490, 24680, 29237, 32084, 40105, 44980, 58474, 64168, 80210, 89960, 104273, 106741, 116948, 146185, 160420, 208546, 213482, 233896, 292370, 320840, 417092, 426964, 521365, 533705, 584740, 834184, 853928, 1042730, 1067410, 1169480, 1387633, 2085460, 2134820, 2775266, 4170920, 4269640, 5550532, 6938165, 11101064, 13876330, 18039229, 27752660, 36078458, 55505320, 72156916, 90196145, 144313832, 180392290, 360784580, 721569160]

約数ペア:

[(1, 721569160), (2, 360784580), (4, 180392290), (5, 144313832), (8, 90196145), (10, 72156916), (13, 55505320), (20, 36078458), (26, 27752660), (40, 18039229), (52, 13876330), (65, 11101064), (104, 6938165), (130, 5550532), (169, 4269640), (173, 4170920), (260, 2775266), (338, 2134820), (346, 2085460), (520, 1387633), (617, 1169480), (676, 1067410), (692, 1042730), (845, 853928), (865, 834184), (1234, 584740), (1352, 533705), (1384, 521365), (1690, 426964), (1730, 417092), (2249, 320840), (2468, 292370), (3085, 233896), (3380, 213482), (3460, 208546), (4498, 160420), (4936, 146185), (6170, 116948), (6760, 106741), (6920, 104273), (8021, 89960), (8996, 80210), (11245, 64168), (12340, 58474), (16042, 44980), (17992, 40105), (22490, 32084), (24680, 29237)]