51413940

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 165110400

約数和(自身を除く): 113696460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 149, 162, 180, 213, 243, 270, 284, 298, 324, 355, 405, 426, 447, 486, 540, 596, 639, 710, 745, 810, 852, 894, 972, 1065, 1215, 1278, 1341, 1420, 1490, 1620, 1788, 1917, 2130, 2235, 2430, 2556, 2682, 2980, 3195, 3834, 4023, 4260, 4470, 4860, 5364, 5751, 6390, 6705, 7668, 8046, 8940, 9585, 10579, 11502, 12069, 12780, 13410, 16092, 17253, 19170, 20115, 21158, 23004, 24138, 26820, 28755, 31737, 34506, 36207, 38340, 40230, 42316, 48276, 52895, 57510, 60345, 63474, 69012, 72414, 80460, 86265, 95211, 105790, 115020, 120690, 126948, 144828, 158685, 172530, 181035, 190422, 211580, 241380, 285633, 317370, 345060, 362070, 380844, 476055, 571266, 634740, 724140, 856899, 952110, 1142532, 1428165, 1713798, 1904220, 2570697, 2856330, 3427596, 4284495, 5141394, 5712660, 8568990, 10282788, 12853485, 17137980, 25706970, 51413940]

約数ペア:

[(1, 51413940), (2, 25706970), (3, 17137980), (4, 12853485), (5, 10282788), (6, 8568990), (9, 5712660), (10, 5141394), (12, 4284495), (15, 3427596), (18, 2856330), (20, 2570697), (27, 1904220), (30, 1713798), (36, 1428165), (45, 1142532), (54, 952110), (60, 856899), (71, 724140), (81, 634740), (90, 571266), (108, 476055), (135, 380844), (142, 362070), (149, 345060), (162, 317370), (180, 285633), (213, 241380), (243, 211580), (270, 190422), (284, 181035), (298, 172530), (324, 158685), (355, 144828), (405, 126948), (426, 120690), (447, 115020), (486, 105790), (540, 95211), (596, 86265), (639, 80460), (710, 72414), (745, 69012), (810, 63474), (852, 60345), (894, 57510), (972, 52895), (1065, 48276), (1215, 42316), (1278, 40230), (1341, 38340), (1420, 36207), (1490, 34506), (1620, 31737), (1788, 28755), (1917, 26820), (2130, 24138), (2235, 23004), (2430, 21158), (2556, 20115), (2682, 19170), (2980, 17253), (3195, 16092), (3834, 13410), (4023, 12780), (4260, 12069), (4470, 11502), (4860, 10579), (5364, 9585), (5751, 8940), (6390, 8046), (6705, 7668)]