161851140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1901}}^1$

素因数の和:1970

約数の個数: 144

約数和(自身を含む): 548323776

約数和(自身を除く): 386472636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 43, 44, 45, 55, 60, 66, 86, 90, 99, 110, 129, 132, 165, 172, 180, 198, 215, 220, 258, 330, 387, 396, 430, 473, 495, 516, 645, 660, 774, 860, 946, 990, 1290, 1419, 1548, 1892, 1901, 1935, 1980, 2365, 2580, 2838, 3802, 3870, 4257, 4730, 5676, 5703, 7095, 7604, 7740, 8514, 9460, 9505, 11406, 14190, 17028, 17109, 19010, 20911, 21285, 22812, 28380, 28515, 34218, 38020, 41822, 42570, 57030, 62733, 68436, 81743, 83644, 85140, 85545, 104555, 114060, 125466, 163486, 171090, 188199, 209110, 245229, 250932, 313665, 326972, 342180, 376398, 408715, 418220, 490458, 627330, 735687, 752796, 817430, 899173, 940995, 980916, 1226145, 1254660, 1471374, 1634860, 1798346, 1881990, 2452290, 2697519, 2942748, 3596692, 3678435, 3763980, 4495865, 4904580, 5395038, 7356870, 8092557, 8991730, 10790076, 13487595, 14713740, 16185114, 17983460, 26975190, 32370228, 40462785, 53950380, 80925570, 161851140]

約数ペア:

[(1, 161851140), (2, 80925570), (3, 53950380), (4, 40462785), (5, 32370228), (6, 26975190), (9, 17983460), (10, 16185114), (11, 14713740), (12, 13487595), (15, 10790076), (18, 8991730), (20, 8092557), (22, 7356870), (30, 5395038), (33, 4904580), (36, 4495865), (43, 3763980), (44, 3678435), (45, 3596692), (55, 2942748), (60, 2697519), (66, 2452290), (86, 1881990), (90, 1798346), (99, 1634860), (110, 1471374), (129, 1254660), (132, 1226145), (165, 980916), (172, 940995), (180, 899173), (198, 817430), (215, 752796), (220, 735687), (258, 627330), (330, 490458), (387, 418220), (396, 408715), (430, 376398), (473, 342180), (495, 326972), (516, 313665), (645, 250932), (660, 245229), (774, 209110), (860, 188199), (946, 171090), (990, 163486), (1290, 125466), (1419, 114060), (1548, 104555), (1892, 85545), (1901, 85140), (1935, 83644), (1980, 81743), (2365, 68436), (2580, 62733), (2838, 57030), (3802, 42570), (3870, 41822), (4257, 38020), (4730, 34218), (5676, 28515), (5703, 28380), (7095, 22812), (7604, 21285), (7740, 20911), (8514, 19010), (9460, 17109), (9505, 17028), (11406, 14190)]