90800240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:151

約数の個数: 160

約数和(自身を含む): 239984640

約数和(自身を除く): 149184400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 41, 47, 62, 76, 80, 82, 94, 95, 124, 152, 155, 164, 188, 190, 205, 235, 248, 304, 310, 328, 376, 380, 410, 470, 496, 589, 620, 656, 752, 760, 779, 820, 893, 940, 1178, 1240, 1271, 1457, 1520, 1558, 1640, 1786, 1880, 1927, 2356, 2480, 2542, 2914, 2945, 3116, 3280, 3572, 3760, 3854, 3895, 4465, 4712, 5084, 5828, 5890, 6232, 6355, 7144, 7285, 7708, 7790, 8930, 9424, 9635, 10168, 11656, 11780, 12464, 12710, 14288, 14570, 15416, 15580, 17860, 19270, 20336, 23312, 23560, 24149, 25420, 27683, 29140, 30832, 31160, 35720, 36613, 38540, 47120, 48298, 50840, 55366, 58280, 59737, 62320, 71440, 73226, 77080, 96596, 101680, 110732, 116560, 119474, 120745, 138415, 146452, 154160, 183065, 193192, 221464, 238948, 241490, 276830, 292904, 298685, 366130, 386384, 442928, 477896, 482980, 553660, 585808, 597370, 732260, 955792, 965960, 1107320, 1135003, 1194740, 1464520, 1931920, 2214640, 2270006, 2389480, 2929040, 4540012, 4778960, 5675015, 9080024, 11350030, 18160048, 22700060, 45400120, 90800240]

約数ペア:

[(1, 90800240), (2, 45400120), (4, 22700060), (5, 18160048), (8, 11350030), (10, 9080024), (16, 5675015), (19, 4778960), (20, 4540012), (31, 2929040), (38, 2389480), (40, 2270006), (41, 2214640), (47, 1931920), (62, 1464520), (76, 1194740), (80, 1135003), (82, 1107320), (94, 965960), (95, 955792), (124, 732260), (152, 597370), (155, 585808), (164, 553660), (188, 482980), (190, 477896), (205, 442928), (235, 386384), (248, 366130), (304, 298685), (310, 292904), (328, 276830), (376, 241490), (380, 238948), (410, 221464), (470, 193192), (496, 183065), (589, 154160), (620, 146452), (656, 138415), (752, 120745), (760, 119474), (779, 116560), (820, 110732), (893, 101680), (940, 96596), (1178, 77080), (1240, 73226), (1271, 71440), (1457, 62320), (1520, 59737), (1558, 58280), (1640, 55366), (1786, 50840), (1880, 48298), (1927, 47120), (2356, 38540), (2480, 36613), (2542, 35720), (2914, 31160), (2945, 30832), (3116, 29140), (3280, 27683), (3572, 25420), (3760, 24149), (3854, 23560), (3895, 23312), (4465, 20336), (4712, 19270), (5084, 17860), (5828, 15580), (5890, 15416), (6232, 14570), (6355, 14288), (7144, 12710), (7285, 12464), (7708, 11780), (7790, 11656), (8930, 10168), (9424, 9635)]