221358480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{2689}}^1$

素因数の和:2726

約数の個数: 160

約数和(自身を含む): 800544000

約数和(自身を除く): 579185520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 343, 392, 420, 490, 560, 588, 686, 735, 784, 840, 980, 1029, 1176, 1372, 1470, 1680, 1715, 1960, 2058, 2352, 2689, 2744, 2940, 3430, 3920, 4116, 5145, 5378, 5488, 5880, 6860, 8067, 8232, 10290, 10756, 11760, 13445, 13720, 16134, 16464, 18823, 20580, 21512, 26890, 27440, 32268, 37646, 40335, 41160, 43024, 53780, 56469, 64536, 75292, 80670, 82320, 94115, 107560, 112938, 129072, 131761, 150584, 161340, 188230, 215120, 225876, 263522, 282345, 301168, 322680, 376460, 395283, 451752, 527044, 564690, 645360, 658805, 752920, 790566, 903504, 922327, 1054088, 1129380, 1317610, 1505840, 1581132, 1844654, 1976415, 2108176, 2258760, 2635220, 2766981, 3162264, 3689308, 3952830, 4517520, 4611635, 5270440, 5533962, 6324528, 7378616, 7905660, 9223270, 10540880, 11067924, 13834905, 14757232, 15811320, 18446540, 22135848, 27669810, 31622640, 36893080, 44271696, 55339620, 73786160, 110679240, 221358480]

約数ペア:

[(1, 221358480), (2, 110679240), (3, 73786160), (4, 55339620), (5, 44271696), (6, 36893080), (7, 31622640), (8, 27669810), (10, 22135848), (12, 18446540), (14, 15811320), (15, 14757232), (16, 13834905), (20, 11067924), (21, 10540880), (24, 9223270), (28, 7905660), (30, 7378616), (35, 6324528), (40, 5533962), (42, 5270440), (48, 4611635), (49, 4517520), (56, 3952830), (60, 3689308), (70, 3162264), (80, 2766981), (84, 2635220), (98, 2258760), (105, 2108176), (112, 1976415), (120, 1844654), (140, 1581132), (147, 1505840), (168, 1317610), (196, 1129380), (210, 1054088), (240, 922327), (245, 903504), (280, 790566), (294, 752920), (336, 658805), (343, 645360), (392, 564690), (420, 527044), (490, 451752), (560, 395283), (588, 376460), (686, 322680), (735, 301168), (784, 282345), (840, 263522), (980, 225876), (1029, 215120), (1176, 188230), (1372, 161340), (1470, 150584), (1680, 131761), (1715, 129072), (1960, 112938), (2058, 107560), (2352, 94115), (2689, 82320), (2744, 80670), (2940, 75292), (3430, 64536), (3920, 56469), (4116, 53780), (5145, 43024), (5378, 41160), (5488, 40335), (5880, 37646), (6860, 32268), (8067, 27440), (8232, 26890), (10290, 21512), (10756, 20580), (11760, 18823), (13445, 16464), (13720, 16134)]