61999020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{12757}}^1$

素因数の和:12781

約数の個数: 72

約数和(自身を含む): 195044304

約数和(自身を除く): 133045284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 12757, 25514, 38271, 51028, 63785, 76542, 114813, 127570, 153084, 191355, 229626, 255140, 344439, 382710, 459252, 574065, 688878, 765420, 1033317, 1148130, 1377756, 1722195, 2066634, 2296260, 3099951, 3444390, 4133268, 5166585, 6199902, 6888780, 10333170, 12399804, 15499755, 20666340, 30999510, 61999020]

約数ペア:

[(1, 61999020), (2, 30999510), (3, 20666340), (4, 15499755), (5, 12399804), (6, 10333170), (9, 6888780), (10, 6199902), (12, 5166585), (15, 4133268), (18, 3444390), (20, 3099951), (27, 2296260), (30, 2066634), (36, 1722195), (45, 1377756), (54, 1148130), (60, 1033317), (81, 765420), (90, 688878), (108, 574065), (135, 459252), (162, 382710), (180, 344439), (243, 255140), (270, 229626), (324, 191355), (405, 153084), (486, 127570), (540, 114813), (810, 76542), (972, 63785), (1215, 51028), (1620, 38271), (2430, 25514), (4860, 12757)]