15811320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{2689}}^1$

素因数の和:2717

約数の個数: 96

約数和(自身を含む): 55198800

約数和(自身を除く): 39387480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2689, 2940, 5378, 5880, 8067, 10756, 13445, 16134, 18823, 21512, 26890, 32268, 37646, 40335, 53780, 56469, 64536, 75292, 80670, 94115, 107560, 112938, 131761, 150584, 161340, 188230, 225876, 263522, 282345, 322680, 376460, 395283, 451752, 527044, 564690, 658805, 752920, 790566, 1054088, 1129380, 1317610, 1581132, 1976415, 2258760, 2635220, 3162264, 3952830, 5270440, 7905660, 15811320]

約数ペア:

[(1, 15811320), (2, 7905660), (3, 5270440), (4, 3952830), (5, 3162264), (6, 2635220), (7, 2258760), (8, 1976415), (10, 1581132), (12, 1317610), (14, 1129380), (15, 1054088), (20, 790566), (21, 752920), (24, 658805), (28, 564690), (30, 527044), (35, 451752), (40, 395283), (42, 376460), (49, 322680), (56, 282345), (60, 263522), (70, 225876), (84, 188230), (98, 161340), (105, 150584), (120, 131761), (140, 112938), (147, 107560), (168, 94115), (196, 80670), (210, 75292), (245, 64536), (280, 56469), (294, 53780), (392, 40335), (420, 37646), (490, 32268), (588, 26890), (735, 21512), (840, 18823), (980, 16134), (1176, 13445), (1470, 10756), (1960, 8067), (2689, 5880), (2940, 5378)]