39846420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 129991680

約数和(自身を除く): 90145260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 61, 76, 90, 95, 114, 122, 171, 180, 183, 190, 191, 228, 244, 285, 305, 342, 366, 380, 382, 549, 570, 573, 610, 684, 732, 764, 855, 915, 955, 1098, 1140, 1146, 1159, 1220, 1710, 1719, 1830, 1910, 2196, 2292, 2318, 2745, 2865, 3420, 3438, 3477, 3629, 3660, 3820, 4636, 5490, 5730, 5795, 6876, 6954, 7258, 8595, 10431, 10887, 10980, 11460, 11590, 11651, 13908, 14516, 17190, 17385, 18145, 20862, 21774, 23180, 23302, 32661, 34380, 34770, 34953, 36290, 41724, 43548, 46604, 52155, 54435, 58255, 65322, 69540, 69906, 72580, 104310, 104859, 108870, 116510, 130644, 139812, 163305, 174765, 208620, 209718, 217740, 221369, 233020, 326610, 349530, 419436, 442738, 524295, 653220, 664107, 699060, 885476, 1048590, 1106845, 1328214, 1992321, 2097180, 2213690, 2656428, 3320535, 3984642, 4427380, 6641070, 7969284, 9961605, 13282140, 19923210, 39846420]

約数ペア:

[(1, 39846420), (2, 19923210), (3, 13282140), (4, 9961605), (5, 7969284), (6, 6641070), (9, 4427380), (10, 3984642), (12, 3320535), (15, 2656428), (18, 2213690), (19, 2097180), (20, 1992321), (30, 1328214), (36, 1106845), (38, 1048590), (45, 885476), (57, 699060), (60, 664107), (61, 653220), (76, 524295), (90, 442738), (95, 419436), (114, 349530), (122, 326610), (171, 233020), (180, 221369), (183, 217740), (190, 209718), (191, 208620), (228, 174765), (244, 163305), (285, 139812), (305, 130644), (342, 116510), (366, 108870), (380, 104859), (382, 104310), (549, 72580), (570, 69906), (573, 69540), (610, 65322), (684, 58255), (732, 54435), (764, 52155), (855, 46604), (915, 43548), (955, 41724), (1098, 36290), (1140, 34953), (1146, 34770), (1159, 34380), (1220, 32661), (1710, 23302), (1719, 23180), (1830, 21774), (1910, 20862), (2196, 18145), (2292, 17385), (2318, 17190), (2745, 14516), (2865, 13908), (3420, 11651), (3438, 11590), (3477, 11460), (3629, 10980), (3660, 10887), (3820, 10431), (4636, 8595), (5490, 7258), (5730, 6954), (5795, 6876)]