2020377420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{1061}}^1$

素因数の和:1296

約数の個数: 144

約数和(自身を含む): 6262401600

約数和(自身を除く): 4242024180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 149, 180, 213, 284, 298, 355, 426, 447, 596, 639, 710, 745, 852, 894, 1061, 1065, 1278, 1341, 1420, 1490, 1788, 2122, 2130, 2235, 2556, 2682, 2980, 3183, 3195, 4244, 4260, 4470, 5305, 5364, 6366, 6390, 6705, 8940, 9549, 10579, 10610, 12732, 12780, 13410, 15915, 19098, 21158, 21220, 26820, 31737, 31830, 38196, 42316, 47745, 52895, 63474, 63660, 75331, 95211, 95490, 105790, 126948, 150662, 158089, 158685, 190422, 190980, 211580, 225993, 301324, 316178, 317370, 376655, 380844, 451986, 474267, 476055, 632356, 634740, 677979, 753310, 790445, 903972, 948534, 952110, 1129965, 1355958, 1422801, 1506620, 1580890, 1897068, 1904220, 2259930, 2371335, 2711916, 2845602, 3161780, 3389895, 4519860, 4742670, 5691204, 6779790, 7114005, 9485340, 11224319, 13559580, 14228010, 22448638, 28456020, 33672957, 44897276, 56121595, 67345914, 101018871, 112243190, 134691828, 168364785, 202037742, 224486380, 336729570, 404075484, 505094355, 673459140, 1010188710, 2020377420]

約数ペア:

[(1, 2020377420), (2, 1010188710), (3, 673459140), (4, 505094355), (5, 404075484), (6, 336729570), (9, 224486380), (10, 202037742), (12, 168364785), (15, 134691828), (18, 112243190), (20, 101018871), (30, 67345914), (36, 56121595), (45, 44897276), (60, 33672957), (71, 28456020), (90, 22448638), (142, 14228010), (149, 13559580), (180, 11224319), (213, 9485340), (284, 7114005), (298, 6779790), (355, 5691204), (426, 4742670), (447, 4519860), (596, 3389895), (639, 3161780), (710, 2845602), (745, 2711916), (852, 2371335), (894, 2259930), (1061, 1904220), (1065, 1897068), (1278, 1580890), (1341, 1506620), (1420, 1422801), (1490, 1355958), (1788, 1129965), (2122, 952110), (2130, 948534), (2235, 903972), (2556, 790445), (2682, 753310), (2980, 677979), (3183, 634740), (3195, 632356), (4244, 476055), (4260, 474267), (4470, 451986), (5305, 380844), (5364, 376655), (6366, 317370), (6390, 316178), (6705, 301324), (8940, 225993), (9549, 211580), (10579, 190980), (10610, 190422), (12732, 158685), (12780, 158089), (13410, 150662), (15915, 126948), (19098, 105790), (21158, 95490), (21220, 95211), (26820, 75331), (31737, 63660), (31830, 63474), (38196, 52895), (42316, 47745)]