83745540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:602

約数の個数: 144

約数和(自身を含む): 273611520

約数和(自身を除く): 189865980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 47, 57, 60, 76, 90, 94, 95, 114, 141, 171, 180, 188, 190, 228, 235, 282, 285, 342, 380, 423, 470, 521, 564, 570, 684, 705, 846, 855, 893, 940, 1042, 1140, 1410, 1563, 1692, 1710, 1786, 2084, 2115, 2605, 2679, 2820, 3126, 3420, 3572, 4230, 4465, 4689, 5210, 5358, 6252, 7815, 8037, 8460, 8930, 9378, 9899, 10420, 10716, 13395, 15630, 16074, 17860, 18756, 19798, 23445, 24487, 26790, 29697, 31260, 32148, 39596, 40185, 46890, 48974, 49495, 53580, 59394, 73461, 80370, 89091, 93780, 97948, 98990, 118788, 122435, 146922, 148485, 160740, 178182, 197980, 220383, 244870, 293844, 296970, 356364, 367305, 440766, 445455, 465253, 489740, 593940, 734610, 881532, 890910, 930506, 1101915, 1395759, 1469220, 1781820, 1861012, 2203830, 2326265, 2791518, 4187277, 4407660, 4652530, 5583036, 6978795, 8374554, 9305060, 13957590, 16749108, 20936385, 27915180, 41872770, 83745540]

約数ペア:

[(1, 83745540), (2, 41872770), (3, 27915180), (4, 20936385), (5, 16749108), (6, 13957590), (9, 9305060), (10, 8374554), (12, 6978795), (15, 5583036), (18, 4652530), (19, 4407660), (20, 4187277), (30, 2791518), (36, 2326265), (38, 2203830), (45, 1861012), (47, 1781820), (57, 1469220), (60, 1395759), (76, 1101915), (90, 930506), (94, 890910), (95, 881532), (114, 734610), (141, 593940), (171, 489740), (180, 465253), (188, 445455), (190, 440766), (228, 367305), (235, 356364), (282, 296970), (285, 293844), (342, 244870), (380, 220383), (423, 197980), (470, 178182), (521, 160740), (564, 148485), (570, 146922), (684, 122435), (705, 118788), (846, 98990), (855, 97948), (893, 93780), (940, 89091), (1042, 80370), (1140, 73461), (1410, 59394), (1563, 53580), (1692, 49495), (1710, 48974), (1786, 46890), (2084, 40185), (2115, 39596), (2605, 32148), (2679, 31260), (2820, 29697), (3126, 26790), (3420, 24487), (3572, 23445), (4230, 19798), (4465, 18756), (4689, 17860), (5210, 16074), (5358, 15630), (6252, 13395), (7815, 10716), (8037, 10420), (8460, 9899), (8930, 9378)]