28130640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:265

約数の個数: 160

約数和(自身を含む): 95232000

約数和(自身を除く): 67101360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 114, 120, 124, 152, 155, 186, 190, 199, 228, 240, 248, 285, 304, 310, 372, 380, 398, 456, 465, 496, 570, 589, 597, 620, 744, 760, 796, 912, 930, 995, 1140, 1178, 1194, 1240, 1488, 1520, 1592, 1767, 1860, 1990, 2280, 2356, 2388, 2480, 2945, 2985, 3184, 3534, 3720, 3781, 3980, 4560, 4712, 4776, 5890, 5970, 6169, 7068, 7440, 7562, 7960, 8835, 9424, 9552, 11343, 11780, 11940, 12338, 14136, 15124, 15920, 17670, 18507, 18905, 22686, 23560, 23880, 24676, 28272, 30248, 30845, 35340, 37014, 37810, 45372, 47120, 47760, 49352, 56715, 60496, 61690, 70680, 74028, 75620, 90744, 92535, 98704, 113430, 117211, 123380, 141360, 148056, 151240, 181488, 185070, 226860, 234422, 246760, 296112, 302480, 351633, 370140, 453720, 468844, 493520, 586055, 703266, 740280, 907440, 937688, 1172110, 1406532, 1480560, 1758165, 1875376, 2344220, 2813064, 3516330, 4688440, 5626128, 7032660, 9376880, 14065320, 28130640]

約数ペア:

[(1, 28130640), (2, 14065320), (3, 9376880), (4, 7032660), (5, 5626128), (6, 4688440), (8, 3516330), (10, 2813064), (12, 2344220), (15, 1875376), (16, 1758165), (19, 1480560), (20, 1406532), (24, 1172110), (30, 937688), (31, 907440), (38, 740280), (40, 703266), (48, 586055), (57, 493520), (60, 468844), (62, 453720), (76, 370140), (80, 351633), (93, 302480), (95, 296112), (114, 246760), (120, 234422), (124, 226860), (152, 185070), (155, 181488), (186, 151240), (190, 148056), (199, 141360), (228, 123380), (240, 117211), (248, 113430), (285, 98704), (304, 92535), (310, 90744), (372, 75620), (380, 74028), (398, 70680), (456, 61690), (465, 60496), (496, 56715), (570, 49352), (589, 47760), (597, 47120), (620, 45372), (744, 37810), (760, 37014), (796, 35340), (912, 30845), (930, 30248), (995, 28272), (1140, 24676), (1178, 23880), (1194, 23560), (1240, 22686), (1488, 18905), (1520, 18507), (1592, 17670), (1767, 15920), (1860, 15124), (1990, 14136), (2280, 12338), (2356, 11940), (2388, 11780), (2480, 11343), (2945, 9552), (2985, 9424), (3184, 8835), (3534, 7960), (3720, 7562), (3781, 7440), (3980, 7068), (4560, 6169), (4712, 5970), (4776, 5890)]