249691920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3221}}^1$

素因数の和:3273

約数の個数: 160

約数和(自身を含む): 862980480

約数和(自身を除く): 613288560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 240, 255, 272, 285, 304, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 816, 912, 969, 1020, 1140, 1292, 1360, 1520, 1615, 1938, 2040, 2280, 2584, 3221, 3230, 3876, 4080, 4560, 4845, 5168, 6442, 6460, 7752, 9663, 9690, 12884, 12920, 15504, 16105, 19326, 19380, 25768, 25840, 32210, 38652, 38760, 48315, 51536, 54757, 61199, 64420, 77304, 77520, 96630, 109514, 122398, 128840, 154608, 164271, 183597, 193260, 219028, 244796, 257680, 273785, 305995, 328542, 367194, 386520, 438056, 489592, 547570, 611990, 657084, 734388, 773040, 821355, 876112, 917985, 979184, 1040383, 1095140, 1223980, 1314168, 1468776, 1642710, 1835970, 2080766, 2190280, 2447960, 2628336, 2937552, 3121149, 3285420, 3671940, 4161532, 4380560, 4895920, 5201915, 6242298, 6570840, 7343880, 8323064, 10403830, 12484596, 13141680, 14687760, 15605745, 16646128, 20807660, 24969192, 31211490, 41615320, 49938384, 62422980, 83230640, 124845960, 249691920]

約数ペア:

[(1, 249691920), (2, 124845960), (3, 83230640), (4, 62422980), (5, 49938384), (6, 41615320), (8, 31211490), (10, 24969192), (12, 20807660), (15, 16646128), (16, 15605745), (17, 14687760), (19, 13141680), (20, 12484596), (24, 10403830), (30, 8323064), (34, 7343880), (38, 6570840), (40, 6242298), (48, 5201915), (51, 4895920), (57, 4380560), (60, 4161532), (68, 3671940), (76, 3285420), (80, 3121149), (85, 2937552), (95, 2628336), (102, 2447960), (114, 2190280), (120, 2080766), (136, 1835970), (152, 1642710), (170, 1468776), (190, 1314168), (204, 1223980), (228, 1095140), (240, 1040383), (255, 979184), (272, 917985), (285, 876112), (304, 821355), (323, 773040), (340, 734388), (380, 657084), (408, 611990), (456, 547570), (510, 489592), (570, 438056), (646, 386520), (680, 367194), (760, 328542), (816, 305995), (912, 273785), (969, 257680), (1020, 244796), (1140, 219028), (1292, 193260), (1360, 183597), (1520, 164271), (1615, 154608), (1938, 128840), (2040, 122398), (2280, 109514), (2584, 96630), (3221, 77520), (3230, 77304), (3876, 64420), (4080, 61199), (4560, 54757), (4845, 51536), (5168, 48315), (6442, 38760), (6460, 38652), (7752, 32210), (9663, 25840), (9690, 25768), (12884, 19380), (12920, 19326), (15504, 16105)]