28218600

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 96695820

約数和(自身を除く): 68477220

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 61, 72, 75, 90, 100, 120, 122, 150, 180, 183, 200, 225, 244, 257, 300, 305, 360, 366, 450, 488, 514, 549, 600, 610, 732, 771, 900, 915, 1028, 1098, 1220, 1285, 1464, 1525, 1542, 1800, 1830, 2056, 2196, 2313, 2440, 2570, 2745, 3050, 3084, 3660, 3855, 4392, 4575, 4626, 5140, 5490, 6100, 6168, 6425, 7320, 7710, 9150, 9252, 10280, 10980, 11565, 12200, 12850, 13725, 15420, 15677, 18300, 18504, 19275, 21960, 23130, 25700, 27450, 30840, 31354, 36600, 38550, 46260, 47031, 51400, 54900, 57825, 62708, 77100, 78385, 92520, 94062, 109800, 115650, 125416, 141093, 154200, 156770, 188124, 231300, 235155, 282186, 313540, 376248, 391925, 462600, 470310, 564372, 627080, 705465, 783850, 940620, 1128744, 1175775, 1410930, 1567700, 1881240, 2351550, 2821860, 3135400, 3527325, 4703100, 5643720, 7054650, 9406200, 14109300, 28218600]

約数ペア:

[(1, 28218600), (2, 14109300), (3, 9406200), (4, 7054650), (5, 5643720), (6, 4703100), (8, 3527325), (9, 3135400), (10, 2821860), (12, 2351550), (15, 1881240), (18, 1567700), (20, 1410930), (24, 1175775), (25, 1128744), (30, 940620), (36, 783850), (40, 705465), (45, 627080), (50, 564372), (60, 470310), (61, 462600), (72, 391925), (75, 376248), (90, 313540), (100, 282186), (120, 235155), (122, 231300), (150, 188124), (180, 156770), (183, 154200), (200, 141093), (225, 125416), (244, 115650), (257, 109800), (300, 94062), (305, 92520), (360, 78385), (366, 77100), (450, 62708), (488, 57825), (514, 54900), (549, 51400), (600, 47031), (610, 46260), (732, 38550), (771, 36600), (900, 31354), (915, 30840), (1028, 27450), (1098, 25700), (1220, 23130), (1285, 21960), (1464, 19275), (1525, 18504), (1542, 18300), (1800, 15677), (1830, 15420), (2056, 13725), (2196, 12850), (2313, 12200), (2440, 11565), (2570, 10980), (2745, 10280), (3050, 9252), (3084, 9150), (3660, 7710), (3855, 7320), (4392, 6425), (4575, 6168), (4626, 6100), (5140, 5490)]