216352920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1423}}^1$

素因数の和:1625

約数の個数: 128

約数和(自身を含む): 746403840

約数和(自身を除く): 530050920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 181, 210, 280, 362, 420, 543, 724, 840, 905, 1086, 1267, 1423, 1448, 1810, 2172, 2534, 2715, 2846, 3620, 3801, 4269, 4344, 5068, 5430, 5692, 6335, 7115, 7240, 7602, 8538, 9961, 10136, 10860, 11384, 12670, 14230, 15204, 17076, 19005, 19922, 21345, 21720, 25340, 28460, 29883, 30408, 34152, 38010, 39844, 42690, 49805, 50680, 56920, 59766, 76020, 79688, 85380, 99610, 119532, 149415, 152040, 170760, 199220, 239064, 257563, 298830, 398440, 515126, 597660, 772689, 1030252, 1195320, 1287815, 1545378, 1802941, 2060504, 2575630, 3090756, 3605882, 3863445, 5151260, 5408823, 6181512, 7211764, 7726890, 9014705, 10302520, 10817646, 14423528, 15453780, 18029410, 21635292, 27044115, 30907560, 36058820, 43270584, 54088230, 72117640, 108176460, 216352920]

約数ペア:

[(1, 216352920), (2, 108176460), (3, 72117640), (4, 54088230), (5, 43270584), (6, 36058820), (7, 30907560), (8, 27044115), (10, 21635292), (12, 18029410), (14, 15453780), (15, 14423528), (20, 10817646), (21, 10302520), (24, 9014705), (28, 7726890), (30, 7211764), (35, 6181512), (40, 5408823), (42, 5151260), (56, 3863445), (60, 3605882), (70, 3090756), (84, 2575630), (105, 2060504), (120, 1802941), (140, 1545378), (168, 1287815), (181, 1195320), (210, 1030252), (280, 772689), (362, 597660), (420, 515126), (543, 398440), (724, 298830), (840, 257563), (905, 239064), (1086, 199220), (1267, 170760), (1423, 152040), (1448, 149415), (1810, 119532), (2172, 99610), (2534, 85380), (2715, 79688), (2846, 76020), (3620, 59766), (3801, 56920), (4269, 50680), (4344, 49805), (5068, 42690), (5430, 39844), (5692, 38010), (6335, 34152), (7115, 30408), (7240, 29883), (7602, 28460), (8538, 25340), (9961, 21720), (10136, 21345), (10860, 19922), (11384, 19005), (12670, 17076), (14230, 15204)]