198754020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{383}}^1$

素因数の和:463

約数の個数: 144

約数和(自身を含む): 640604160

約数和(自身を除く): 441850140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 383, 465, 540, 558, 620, 766, 837, 930, 961, 1116, 1149, 1395, 1532, 1674, 1860, 1915, 1922, 2298, 2790, 2883, 3348, 3447, 3830, 3844, 4185, 4596, 4805, 5580, 5745, 5766, 6894, 7660, 8370, 8649, 9610, 10341, 11490, 11532, 11873, 13788, 14415, 16740, 17235, 17298, 19220, 20682, 22980, 23746, 25947, 28830, 34470, 34596, 35619, 41364, 43245, 47492, 51705, 51894, 57660, 59365, 68940, 71238, 86490, 103410, 103788, 106857, 118730, 129735, 142476, 172980, 178095, 206820, 213714, 237460, 259470, 320571, 356190, 368063, 427428, 518940, 534285, 641142, 712380, 736126, 1068570, 1104189, 1282284, 1472252, 1602855, 1840315, 2137140, 2208378, 3205710, 3312567, 3680630, 4416756, 5520945, 6411420, 6625134, 7361260, 9937701, 11041890, 13250268, 16562835, 19875402, 22083780, 33125670, 39750804, 49688505, 66251340, 99377010, 198754020]

約数ペア:

[(1, 198754020), (2, 99377010), (3, 66251340), (4, 49688505), (5, 39750804), (6, 33125670), (9, 22083780), (10, 19875402), (12, 16562835), (15, 13250268), (18, 11041890), (20, 9937701), (27, 7361260), (30, 6625134), (31, 6411420), (36, 5520945), (45, 4416756), (54, 3680630), (60, 3312567), (62, 3205710), (90, 2208378), (93, 2137140), (108, 1840315), (124, 1602855), (135, 1472252), (155, 1282284), (180, 1104189), (186, 1068570), (270, 736126), (279, 712380), (310, 641142), (372, 534285), (383, 518940), (465, 427428), (540, 368063), (558, 356190), (620, 320571), (766, 259470), (837, 237460), (930, 213714), (961, 206820), (1116, 178095), (1149, 172980), (1395, 142476), (1532, 129735), (1674, 118730), (1860, 106857), (1915, 103788), (1922, 103410), (2298, 86490), (2790, 71238), (2883, 68940), (3348, 59365), (3447, 57660), (3830, 51894), (3844, 51705), (4185, 47492), (4596, 43245), (4805, 41364), (5580, 35619), (5745, 34596), (5766, 34470), (6894, 28830), (7660, 25947), (8370, 23746), (8649, 22980), (9610, 20682), (10341, 19220), (11490, 17298), (11532, 17235), (11873, 16740), (13788, 14415)]