28502760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:200

約数の個数: 192

約数和(自身を含む): 101888640

約数和(自身を除く): 73385880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 121, 130, 132, 143, 151, 156, 165, 195, 220, 242, 260, 264, 286, 302, 312, 330, 363, 390, 429, 440, 453, 484, 520, 572, 604, 605, 660, 715, 726, 755, 780, 858, 906, 968, 1144, 1208, 1210, 1320, 1430, 1452, 1510, 1560, 1573, 1661, 1716, 1812, 1815, 1963, 2145, 2265, 2420, 2860, 2904, 3020, 3146, 3322, 3432, 3624, 3630, 3926, 4290, 4530, 4719, 4840, 4983, 5720, 5889, 6040, 6292, 6644, 7260, 7852, 7865, 8305, 8580, 9060, 9438, 9815, 9966, 11778, 12584, 13288, 14520, 15704, 15730, 16610, 17160, 18120, 18271, 18876, 19630, 19932, 21593, 23556, 23595, 24915, 29445, 31460, 33220, 36542, 37752, 39260, 39864, 43186, 47112, 47190, 49830, 54813, 58890, 62920, 64779, 66440, 73084, 78520, 86372, 91355, 94380, 99660, 107965, 109626, 117780, 129558, 146168, 172744, 182710, 188760, 199320, 215930, 219252, 235560, 237523, 259116, 274065, 323895, 365420, 431860, 438504, 475046, 518232, 548130, 647790, 712569, 730840, 863720, 950092, 1096260, 1187615, 1295580, 1425138, 1900184, 2192520, 2375230, 2591160, 2850276, 3562845, 4750460, 5700552, 7125690, 9500920, 14251380, 28502760]

約数ペア:

[(1, 28502760), (2, 14251380), (3, 9500920), (4, 7125690), (5, 5700552), (6, 4750460), (8, 3562845), (10, 2850276), (11, 2591160), (12, 2375230), (13, 2192520), (15, 1900184), (20, 1425138), (22, 1295580), (24, 1187615), (26, 1096260), (30, 950092), (33, 863720), (39, 730840), (40, 712569), (44, 647790), (52, 548130), (55, 518232), (60, 475046), (65, 438504), (66, 431860), (78, 365420), (88, 323895), (104, 274065), (110, 259116), (120, 237523), (121, 235560), (130, 219252), (132, 215930), (143, 199320), (151, 188760), (156, 182710), (165, 172744), (195, 146168), (220, 129558), (242, 117780), (260, 109626), (264, 107965), (286, 99660), (302, 94380), (312, 91355), (330, 86372), (363, 78520), (390, 73084), (429, 66440), (440, 64779), (453, 62920), (484, 58890), (520, 54813), (572, 49830), (604, 47190), (605, 47112), (660, 43186), (715, 39864), (726, 39260), (755, 37752), (780, 36542), (858, 33220), (906, 31460), (968, 29445), (1144, 24915), (1208, 23595), (1210, 23556), (1320, 21593), (1430, 19932), (1452, 19630), (1510, 18876), (1560, 18271), (1573, 18120), (1661, 17160), (1716, 16610), (1812, 15730), (1815, 15704), (1963, 14520), (2145, 13288), (2265, 12584), (2420, 11778), (2860, 9966), (2904, 9815), (3020, 9438), (3146, 9060), (3322, 8580), (3432, 8305), (3624, 7865), (3630, 7852), (3926, 7260), (4290, 6644), (4530, 6292), (4719, 6040), (4840, 5889), (4983, 5720)]