196171920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{38923}}^1$

素因数の和:38949

約数の個数: 120

約数和(自身を含む): 752945856

約数和(自身を除く): 556773936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 38923, 77846, 116769, 155692, 194615, 233538, 272461, 311384, 350307, 389230, 467076, 544922, 583845, 622768, 700614, 778460, 817383, 934152, 1089844, 1167690, 1362305, 1401228, 1556920, 1634766, 1751535, 1868304, 2179688, 2335380, 2452149, 2724610, 2802456, 3113840, 3269532, 3503070, 4086915, 4359376, 4670760, 4904298, 5449220, 5604912, 6539064, 7006140, 8173830, 9341520, 9808596, 10898440, 12260745, 13078128, 14012280, 16347660, 19617192, 21796880, 24521490, 28024560, 32695320, 39234384, 49042980, 65390640, 98085960, 196171920]

約数ペア:

[(1, 196171920), (2, 98085960), (3, 65390640), (4, 49042980), (5, 39234384), (6, 32695320), (7, 28024560), (8, 24521490), (9, 21796880), (10, 19617192), (12, 16347660), (14, 14012280), (15, 13078128), (16, 12260745), (18, 10898440), (20, 9808596), (21, 9341520), (24, 8173830), (28, 7006140), (30, 6539064), (35, 5604912), (36, 5449220), (40, 4904298), (42, 4670760), (45, 4359376), (48, 4086915), (56, 3503070), (60, 3269532), (63, 3113840), (70, 2802456), (72, 2724610), (80, 2452149), (84, 2335380), (90, 2179688), (105, 1868304), (112, 1751535), (120, 1634766), (126, 1556920), (140, 1401228), (144, 1362305), (168, 1167690), (180, 1089844), (210, 934152), (240, 817383), (252, 778460), (280, 700614), (315, 622768), (336, 583845), (360, 544922), (420, 467076), (504, 389230), (560, 350307), (630, 311384), (720, 272461), (840, 233538), (1008, 194615), (1260, 155692), (1680, 116769), (2520, 77846), (5040, 38923)]