79208720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:145

約数の個数: 120

約数和(自身を含む): 205105920

約数和(自身を除く): 125897200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 41, 62, 76, 80, 82, 95, 124, 152, 155, 164, 190, 205, 248, 304, 310, 328, 380, 410, 496, 589, 620, 656, 760, 779, 820, 1178, 1240, 1271, 1520, 1558, 1640, 1681, 2356, 2480, 2542, 2945, 3116, 3280, 3362, 3895, 4712, 5084, 5890, 6232, 6355, 6724, 7790, 8405, 9424, 10168, 11780, 12464, 12710, 13448, 15580, 16810, 20336, 23560, 24149, 25420, 26896, 31160, 31939, 33620, 47120, 48298, 50840, 52111, 62320, 63878, 67240, 96596, 101680, 104222, 120745, 127756, 134480, 159695, 193192, 208444, 241490, 255512, 260555, 319390, 386384, 416888, 482980, 511024, 521110, 638780, 833776, 965960, 990109, 1042220, 1277560, 1931920, 1980218, 2084440, 2555120, 3960436, 4168880, 4950545, 7920872, 9901090, 15841744, 19802180, 39604360, 79208720]

約数ペア:

[(1, 79208720), (2, 39604360), (4, 19802180), (5, 15841744), (8, 9901090), (10, 7920872), (16, 4950545), (19, 4168880), (20, 3960436), (31, 2555120), (38, 2084440), (40, 1980218), (41, 1931920), (62, 1277560), (76, 1042220), (80, 990109), (82, 965960), (95, 833776), (124, 638780), (152, 521110), (155, 511024), (164, 482980), (190, 416888), (205, 386384), (248, 319390), (304, 260555), (310, 255512), (328, 241490), (380, 208444), (410, 193192), (496, 159695), (589, 134480), (620, 127756), (656, 120745), (760, 104222), (779, 101680), (820, 96596), (1178, 67240), (1240, 63878), (1271, 62320), (1520, 52111), (1558, 50840), (1640, 48298), (1681, 47120), (2356, 33620), (2480, 31939), (2542, 31160), (2945, 26896), (3116, 25420), (3280, 24149), (3362, 23560), (3895, 20336), (4712, 16810), (5084, 15580), (5890, 13448), (6232, 12710), (6355, 12464), (6724, 11780), (7790, 10168), (8405, 9424)]