28577880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:630

約数の個数: 128

約数和(自身を含む): 97459200

約数和(自身を除く): 68881320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 47, 54, 60, 72, 90, 94, 108, 120, 135, 141, 180, 188, 216, 235, 270, 282, 360, 376, 423, 470, 540, 563, 564, 705, 846, 940, 1080, 1126, 1128, 1269, 1410, 1689, 1692, 1880, 2115, 2252, 2538, 2815, 2820, 3378, 3384, 4230, 4504, 5067, 5076, 5630, 5640, 6345, 6756, 8445, 8460, 10134, 10152, 11260, 12690, 13512, 15201, 16890, 16920, 20268, 22520, 25335, 25380, 26461, 30402, 33780, 40536, 50670, 50760, 52922, 60804, 67560, 76005, 79383, 101340, 105844, 121608, 132305, 152010, 158766, 202680, 211688, 238149, 264610, 304020, 317532, 396915, 476298, 529220, 608040, 635064, 714447, 793830, 952596, 1058440, 1190745, 1428894, 1587660, 1905192, 2381490, 2857788, 3175320, 3572235, 4762980, 5715576, 7144470, 9525960, 14288940, 28577880]

約数ペア:

[(1, 28577880), (2, 14288940), (3, 9525960), (4, 7144470), (5, 5715576), (6, 4762980), (8, 3572235), (9, 3175320), (10, 2857788), (12, 2381490), (15, 1905192), (18, 1587660), (20, 1428894), (24, 1190745), (27, 1058440), (30, 952596), (36, 793830), (40, 714447), (45, 635064), (47, 608040), (54, 529220), (60, 476298), (72, 396915), (90, 317532), (94, 304020), (108, 264610), (120, 238149), (135, 211688), (141, 202680), (180, 158766), (188, 152010), (216, 132305), (235, 121608), (270, 105844), (282, 101340), (360, 79383), (376, 76005), (423, 67560), (470, 60804), (540, 52922), (563, 50760), (564, 50670), (705, 40536), (846, 33780), (940, 30402), (1080, 26461), (1126, 25380), (1128, 25335), (1269, 22520), (1410, 20268), (1689, 16920), (1692, 16890), (1880, 15201), (2115, 13512), (2252, 12690), (2538, 11260), (2815, 10152), (2820, 10134), (3378, 8460), (3384, 8445), (4230, 6756), (4504, 6345), (5067, 5640), (5076, 5630)]