30811320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:674

約数の個数: 128

約数和(自身を含む): 105062400

約数和(自身を除く): 74251080

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, 564, 607, 705, 846, 940, 1080, 1128, 1214, 1269, 1410, 1692, 1821, 1880, 2115, 2428, 2538, 2820, 3035, 3384, 3642, 4230, 4856, 5076, 5463, 5640, 6070, 6345, 7284, 8460, 9105, 10152, 10926, 12140, 12690, 14568, 16389, 16920, 18210, 21852, 24280, 25380, 27315, 28529, 32778, 36420, 43704, 50760, 54630, 57058, 65556, 72840, 81945, 85587, 109260, 114116, 131112, 142645, 163890, 171174, 218520, 228232, 256761, 285290, 327780, 342348, 427935, 513522, 570580, 655560, 684696, 770283, 855870, 1027044, 1141160, 1283805, 1540566, 1711740, 2054088, 2567610, 3081132, 3423480, 3851415, 5135220, 6162264, 7702830, 10270440, 15405660, 30811320]

約数ペア:

[(1, 30811320), (2, 15405660), (3, 10270440), (4, 7702830), (5, 6162264), (6, 5135220), (8, 3851415), (9, 3423480), (10, 3081132), (12, 2567610), (15, 2054088), (18, 1711740), (20, 1540566), (24, 1283805), (27, 1141160), (30, 1027044), (36, 855870), (40, 770283), (45, 684696), (47, 655560), (54, 570580), (60, 513522), (72, 427935), (90, 342348), (94, 327780), (108, 285290), (120, 256761), (135, 228232), (141, 218520), (180, 171174), (188, 163890), (216, 142645), (235, 131112), (270, 114116), (282, 109260), (360, 85587), (376, 81945), (423, 72840), (470, 65556), (540, 57058), (564, 54630), (607, 50760), (705, 43704), (846, 36420), (940, 32778), (1080, 28529), (1128, 27315), (1214, 25380), (1269, 24280), (1410, 21852), (1692, 18210), (1821, 16920), (1880, 16389), (2115, 14568), (2428, 12690), (2538, 12140), (2820, 10926), (3035, 10152), (3384, 9105), (3642, 8460), (4230, 7284), (4856, 6345), (5076, 6070), (5463, 5640)]