253115720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:208

約数の個数: 256

約数和(自身を含む): 751161600

約数和(自身を除く): 498045880

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 17, 19, 20, 22, 26, 34, 38, 40, 44, 52, 55, 65, 68, 76, 85, 88, 95, 104, 110, 130, 136, 137, 143, 152, 170, 187, 190, 209, 220, 221, 247, 260, 274, 286, 323, 340, 374, 380, 418, 440, 442, 494, 520, 548, 572, 646, 680, 685, 715, 748, 760, 836, 884, 935, 988, 1045, 1096, 1105, 1144, 1235, 1292, 1370, 1430, 1496, 1507, 1615, 1672, 1768, 1781, 1870, 1976, 2090, 2210, 2329, 2431, 2470, 2584, 2603, 2717, 2740, 2860, 3014, 3230, 3553, 3562, 3740, 4180, 4199, 4420, 4658, 4862, 4940, 5206, 5434, 5480, 5720, 6028, 6460, 7106, 7124, 7480, 7535, 8360, 8398, 8840, 8905, 9316, 9724, 9880, 10412, 10868, 11645, 12056, 12155, 12920, 13015, 13585, 14212, 14248, 15070, 16796, 17765, 17810, 18632, 19448, 19591, 20824, 20995, 21736, 23290, 24310, 25619, 26030, 27170, 28424, 28633, 30140, 30277, 33592, 33839, 35530, 35620, 39182, 41990, 44251, 46189, 46580, 48620, 51238, 52060, 54340, 57266, 60280, 60554, 67678, 71060, 71240, 78364, 83980, 88502, 92378, 93160, 97240, 97955, 102476, 104120, 108680, 114532, 121108, 128095, 135356, 142120, 143165, 151385, 156728, 167960, 169195, 177004, 184756, 195910, 204952, 221255, 229064, 230945, 242216, 256190, 270712, 286330, 302770, 333047, 338390, 354008, 369512, 372229, 391820, 442510, 461890, 486761, 512380, 572660, 575263, 605540, 666094, 676780, 744458, 783640, 885020, 923780, 973522, 1024760, 1145320, 1150526, 1211080, 1332188, 1353560, 1488916, 1665235, 1770040, 1847560, 1861145, 1947044, 2301052, 2433805, 2664376, 2876315, 2977832, 3330470, 3722290, 3894088, 4602104, 4867610, 5752630, 6327893, 6660940, 7444580, 9735220, 11505260, 12655786, 13321880, 14889160, 19470440, 23010520, 25311572, 31639465, 50623144, 63278930, 126557860, 253115720]

約数ペア:

[(1, 253115720), (2, 126557860), (4, 63278930), (5, 50623144), (8, 31639465), (10, 25311572), (11, 23010520), (13, 19470440), (17, 14889160), (19, 13321880), (20, 12655786), (22, 11505260), (26, 9735220), (34, 7444580), (38, 6660940), (40, 6327893), (44, 5752630), (52, 4867610), (55, 4602104), (65, 3894088), (68, 3722290), (76, 3330470), (85, 2977832), (88, 2876315), (95, 2664376), (104, 2433805), (110, 2301052), (130, 1947044), (136, 1861145), (137, 1847560), (143, 1770040), (152, 1665235), (170, 1488916), (187, 1353560), (190, 1332188), (209, 1211080), (220, 1150526), (221, 1145320), (247, 1024760), (260, 973522), (274, 923780), (286, 885020), (323, 783640), (340, 744458), (374, 676780), (380, 666094), (418, 605540), (440, 575263), (442, 572660), (494, 512380), (520, 486761), (548, 461890), (572, 442510), (646, 391820), (680, 372229), (685, 369512), (715, 354008), (748, 338390), (760, 333047), (836, 302770), (884, 286330), (935, 270712), (988, 256190), (1045, 242216), (1096, 230945), (1105, 229064), (1144, 221255), (1235, 204952), (1292, 195910), (1370, 184756), (1430, 177004), (1496, 169195), (1507, 167960), (1615, 156728), (1672, 151385), (1768, 143165), (1781, 142120), (1870, 135356), (1976, 128095), (2090, 121108), (2210, 114532), (2329, 108680), (2431, 104120), (2470, 102476), (2584, 97955), (2603, 97240), (2717, 93160), (2740, 92378), (2860, 88502), (3014, 83980), (3230, 78364), (3553, 71240), (3562, 71060), (3740, 67678), (4180, 60554), (4199, 60280), (4420, 57266), (4658, 54340), (4862, 52060), (4940, 51238), (5206, 48620), (5434, 46580), (5480, 46189), (5720, 44251), (6028, 41990), (6460, 39182), (7106, 35620), (7124, 35530), (7480, 33839), (7535, 33592), (8360, 30277), (8398, 30140), (8840, 28633), (8905, 28424), (9316, 27170), (9724, 26030), (9880, 25619), (10412, 24310), (10868, 23290), (11645, 21736), (12056, 20995), (12155, 20824), (12920, 19591), (13015, 19448), (13585, 18632), (14212, 17810), (14248, 17765), (15070, 16796)]