71818650

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:307

約数の個数: 144

約数和(自身を含む): 209611584

約数和(自身を除く): 137792934

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 27, 30, 45, 46, 50, 54, 69, 75, 81, 90, 115, 135, 138, 150, 162, 207, 225, 230, 243, 257, 270, 345, 405, 414, 450, 486, 514, 575, 621, 675, 690, 771, 810, 1035, 1150, 1215, 1242, 1285, 1350, 1542, 1725, 1863, 2025, 2070, 2313, 2430, 2570, 3105, 3450, 3726, 3855, 4050, 4626, 5175, 5589, 5911, 6075, 6210, 6425, 6939, 7710, 9315, 10350, 11178, 11565, 11822, 12150, 12850, 13878, 15525, 17733, 18630, 19275, 20817, 23130, 27945, 29555, 31050, 34695, 35466, 38550, 41634, 46575, 53199, 55890, 57825, 59110, 62451, 69390, 88665, 93150, 104085, 106398, 115650, 124902, 139725, 147775, 159597, 173475, 177330, 208170, 265995, 279450, 295550, 312255, 319194, 346950, 443325, 478791, 520425, 531990, 624510, 797985, 886650, 957582, 1040850, 1329975, 1436373, 1561275, 1595970, 2393955, 2659950, 2872746, 3122550, 3989925, 4787910, 7181865, 7979850, 11969775, 14363730, 23939550, 35909325, 71818650]

約数ペア:

[(1, 71818650), (2, 35909325), (3, 23939550), (5, 14363730), (6, 11969775), (9, 7979850), (10, 7181865), (15, 4787910), (18, 3989925), (23, 3122550), (25, 2872746), (27, 2659950), (30, 2393955), (45, 1595970), (46, 1561275), (50, 1436373), (54, 1329975), (69, 1040850), (75, 957582), (81, 886650), (90, 797985), (115, 624510), (135, 531990), (138, 520425), (150, 478791), (162, 443325), (207, 346950), (225, 319194), (230, 312255), (243, 295550), (257, 279450), (270, 265995), (345, 208170), (405, 177330), (414, 173475), (450, 159597), (486, 147775), (514, 139725), (575, 124902), (621, 115650), (675, 106398), (690, 104085), (771, 93150), (810, 88665), (1035, 69390), (1150, 62451), (1215, 59110), (1242, 57825), (1285, 55890), (1350, 53199), (1542, 46575), (1725, 41634), (1863, 38550), (2025, 35466), (2070, 34695), (2313, 31050), (2430, 29555), (2570, 27945), (3105, 23130), (3450, 20817), (3726, 19275), (3855, 18630), (4050, 17733), (4626, 15525), (5175, 13878), (5589, 12850), (5911, 12150), (6075, 11822), (6210, 11565), (6425, 11178), (6939, 10350), (7710, 9315)]