257225040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18803}}^1$

素因数の和:18841

約数の個数: 120

約数和(自身を含む): 909361440

約数和(自身を除く): 652136400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 18803, 37606, 56409, 75212, 94015, 112818, 150424, 169227, 188030, 225636, 282045, 300848, 338454, 357257, 376060, 451272, 564090, 676908, 714514, 752120, 846135, 902544, 1071771, 1128180, 1353816, 1429028, 1504240, 1692270, 1786285, 2143542, 2256360, 2707632, 2858056, 3215313, 3384540, 3572570, 4287084, 4512720, 5358855, 5716112, 6430626, 6769080, 7145140, 8574168, 10717710, 12861252, 13538160, 14290280, 16076565, 17148336, 21435420, 25722504, 28580560, 32153130, 42870840, 51445008, 64306260, 85741680, 128612520, 257225040]

約数ペア:

[(1, 257225040), (2, 128612520), (3, 85741680), (4, 64306260), (5, 51445008), (6, 42870840), (8, 32153130), (9, 28580560), (10, 25722504), (12, 21435420), (15, 17148336), (16, 16076565), (18, 14290280), (19, 13538160), (20, 12861252), (24, 10717710), (30, 8574168), (36, 7145140), (38, 6769080), (40, 6430626), (45, 5716112), (48, 5358855), (57, 4512720), (60, 4287084), (72, 3572570), (76, 3384540), (80, 3215313), (90, 2858056), (95, 2707632), (114, 2256360), (120, 2143542), (144, 1786285), (152, 1692270), (171, 1504240), (180, 1429028), (190, 1353816), (228, 1128180), (240, 1071771), (285, 902544), (304, 846135), (342, 752120), (360, 714514), (380, 676908), (456, 564090), (570, 451272), (684, 376060), (720, 357257), (760, 338454), (855, 300848), (912, 282045), (1140, 225636), (1368, 188030), (1520, 169227), (1710, 150424), (2280, 112818), (2736, 94015), (3420, 75212), (4560, 56409), (6840, 37606), (13680, 18803)]