280291920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{68699}}^1$

素因数の和:68732

約数の個数: 80

約数和(自身を含む): 920030400

約数和(自身を除く): 639738480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 68699, 137398, 206097, 274796, 343495, 412194, 549592, 686990, 824388, 1030485, 1099184, 1167883, 1373980, 1648776, 2060970, 2335766, 2747960, 3297552, 3503649, 4121940, 4671532, 5495920, 5839415, 7007298, 8243880, 9343064, 11678830, 14014596, 16487760, 17518245, 18686128, 23357660, 28029192, 35036490, 46715320, 56058384, 70072980, 93430640, 140145960, 280291920]

約数ペア:

[(1, 280291920), (2, 140145960), (3, 93430640), (4, 70072980), (5, 56058384), (6, 46715320), (8, 35036490), (10, 28029192), (12, 23357660), (15, 18686128), (16, 17518245), (17, 16487760), (20, 14014596), (24, 11678830), (30, 9343064), (34, 8243880), (40, 7007298), (48, 5839415), (51, 5495920), (60, 4671532), (68, 4121940), (80, 3503649), (85, 3297552), (102, 2747960), (120, 2335766), (136, 2060970), (170, 1648776), (204, 1373980), (240, 1167883), (255, 1099184), (272, 1030485), (340, 824388), (408, 686990), (510, 549592), (680, 412194), (816, 343495), (1020, 274796), (1360, 206097), (2040, 137398), (4080, 68699)]