402122080

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:333

約数の個数: 192

約数和(自身を含む): 1097349120

約数和(自身を除く): 695227040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 31, 32, 34, 38, 40, 62, 68, 76, 80, 85, 95, 124, 136, 152, 155, 160, 170, 190, 248, 251, 272, 304, 310, 323, 340, 380, 496, 502, 527, 544, 589, 608, 620, 646, 680, 760, 992, 1004, 1054, 1178, 1240, 1255, 1292, 1360, 1520, 1615, 2008, 2108, 2356, 2480, 2510, 2584, 2635, 2720, 2945, 3040, 3230, 4016, 4216, 4267, 4712, 4769, 4960, 5020, 5168, 5270, 5890, 6460, 7781, 8032, 8432, 8534, 9424, 9538, 10013, 10040, 10336, 10540, 11780, 12920, 15562, 16864, 17068, 18848, 19076, 20026, 20080, 21080, 21335, 23560, 23845, 25840, 31124, 34136, 38152, 38905, 40052, 40160, 42160, 42670, 47120, 47690, 50065, 51680, 62248, 68272, 76304, 77810, 80104, 81073, 84320, 85340, 94240, 95380, 100130, 124496, 132277, 136544, 147839, 152608, 155620, 160208, 162146, 170680, 190760, 200260, 248992, 264554, 295678, 311240, 320416, 324292, 341360, 381520, 400520, 405365, 529108, 591356, 622480, 648584, 661385, 682720, 739195, 763040, 801040, 810730, 1058216, 1182712, 1244960, 1297168, 1322770, 1478390, 1602080, 1621460, 2116432, 2365424, 2513263, 2594336, 2645540, 2956780, 3242920, 4232864, 4730848, 5026526, 5291080, 5913560, 6485840, 10053052, 10582160, 11827120, 12566315, 12971680, 20106104, 21164320, 23654240, 25132630, 40212208, 50265260, 80424416, 100530520, 201061040, 402122080]

約数ペア:

[(1, 402122080), (2, 201061040), (4, 100530520), (5, 80424416), (8, 50265260), (10, 40212208), (16, 25132630), (17, 23654240), (19, 21164320), (20, 20106104), (31, 12971680), (32, 12566315), (34, 11827120), (38, 10582160), (40, 10053052), (62, 6485840), (68, 5913560), (76, 5291080), (80, 5026526), (85, 4730848), (95, 4232864), (124, 3242920), (136, 2956780), (152, 2645540), (155, 2594336), (160, 2513263), (170, 2365424), (190, 2116432), (248, 1621460), (251, 1602080), (272, 1478390), (304, 1322770), (310, 1297168), (323, 1244960), (340, 1182712), (380, 1058216), (496, 810730), (502, 801040), (527, 763040), (544, 739195), (589, 682720), (608, 661385), (620, 648584), (646, 622480), (680, 591356), (760, 529108), (992, 405365), (1004, 400520), (1054, 381520), (1178, 341360), (1240, 324292), (1255, 320416), (1292, 311240), (1360, 295678), (1520, 264554), (1615, 248992), (2008, 200260), (2108, 190760), (2356, 170680), (2480, 162146), (2510, 160208), (2584, 155620), (2635, 152608), (2720, 147839), (2945, 136544), (3040, 132277), (3230, 124496), (4016, 100130), (4216, 95380), (4267, 94240), (4712, 85340), (4769, 84320), (4960, 81073), (5020, 80104), (5168, 77810), (5270, 76304), (5890, 68272), (6460, 62248), (7781, 51680), (8032, 50065), (8432, 47690), (8534, 47120), (9424, 42670), (9538, 42160), (10013, 40160), (10040, 40052), (10336, 38905), (10540, 38152), (11780, 34136), (12920, 31124), (15562, 25840), (16864, 23845), (17068, 23560), (18848, 21335), (19076, 21080), (20026, 20080)]