97720020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{20107}}^1$

素因数の和:20131

約数の個数: 72

約数和(自身を含む): 307411104

約数和(自身を除く): 209691084

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, 20107, 40214, 60321, 80428, 100535, 120642, 180963, 201070, 241284, 301605, 361926, 402140, 542889, 603210, 723852, 904815, 1085778, 1206420, 1628667, 1809630, 2171556, 2714445, 3257334, 3619260, 4886001, 5428890, 6514668, 8143335, 9772002, 10857780, 16286670, 19544004, 24430005, 32573340, 48860010, 97720020]

約数ペア:

[(1, 97720020), (2, 48860010), (3, 32573340), (4, 24430005), (5, 19544004), (6, 16286670), (9, 10857780), (10, 9772002), (12, 8143335), (15, 6514668), (18, 5428890), (20, 4886001), (27, 3619260), (30, 3257334), (36, 2714445), (45, 2171556), (54, 1809630), (60, 1628667), (81, 1206420), (90, 1085778), (108, 904815), (135, 723852), (162, 603210), (180, 542889), (243, 402140), (270, 361926), (324, 301605), (405, 241284), (486, 201070), (540, 180963), (810, 120642), (972, 100535), (1215, 80428), (1620, 60321), (2430, 40214), (4860, 20107)]