156905850980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1\times {\mathrm{271}}^1\times {\mathrm{919}}^1$

素因数の和:1342

約数の個数: 144

約数和(自身を含む): 354925401600

約数和(自身を除く): 198019550620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 271, 289, 340, 436, 542, 545, 578, 919, 1084, 1090, 1156, 1355, 1445, 1838, 1853, 2180, 2710, 2890, 3676, 3706, 4595, 4607, 5420, 5780, 7412, 9190, 9214, 9265, 15623, 18380, 18428, 18530, 23035, 29539, 31246, 31501, 37060, 46070, 59078, 62492, 63002, 78115, 78319, 92140, 100171, 118156, 126004, 147695, 156230, 156638, 157505, 200342, 249049, 265591, 295390, 312460, 313276, 315010, 391595, 400684, 498098, 500855, 502163, 531182, 590780, 630020, 783190, 996196, 1001710, 1004326, 1062364, 1245245, 1327955, 1566380, 1702907, 2003420, 2008652, 2490490, 2510815, 2655910, 3405814, 4233833, 4980980, 5021630, 5311820, 6811628, 8467666, 8514535, 8536771, 10043260, 16935332, 17029070, 17073542, 21169165, 27146341, 28949419, 34058140, 34147084, 42338330, 42683855, 54292682, 57898838, 71975161, 84676660, 85367710, 108585364, 115797676, 135731705, 143950322, 144747095, 170735420, 271463410, 287900644, 289494190, 359875805, 461487797, 542926820, 578988380, 719751610, 922975594, 1439503220, 1845951188, 2307438985, 4614877970, 7845292549, 9229755940, 15690585098, 31381170196, 39226462745, 78452925490, 156905850980]

約数ペア:

[(1, 156905850980), (2, 78452925490), (4, 39226462745), (5, 31381170196), (10, 15690585098), (17, 9229755940), (20, 7845292549), (34, 4614877970), (68, 2307438985), (85, 1845951188), (109, 1439503220), (170, 922975594), (218, 719751610), (271, 578988380), (289, 542926820), (340, 461487797), (436, 359875805), (542, 289494190), (545, 287900644), (578, 271463410), (919, 170735420), (1084, 144747095), (1090, 143950322), (1156, 135731705), (1355, 115797676), (1445, 108585364), (1838, 85367710), (1853, 84676660), (2180, 71975161), (2710, 57898838), (2890, 54292682), (3676, 42683855), (3706, 42338330), (4595, 34147084), (4607, 34058140), (5420, 28949419), (5780, 27146341), (7412, 21169165), (9190, 17073542), (9214, 17029070), (9265, 16935332), (15623, 10043260), (18380, 8536771), (18428, 8514535), (18530, 8467666), (23035, 6811628), (29539, 5311820), (31246, 5021630), (31501, 4980980), (37060, 4233833), (46070, 3405814), (59078, 2655910), (62492, 2510815), (63002, 2490490), (78115, 2008652), (78319, 2003420), (92140, 1702907), (100171, 1566380), (118156, 1327955), (126004, 1245245), (147695, 1062364), (156230, 1004326), (156638, 1001710), (157505, 996196), (200342, 783190), (249049, 630020), (265591, 590780), (295390, 531182), (312460, 502163), (313276, 500855), (315010, 498098), (391595, 400684)]