291561840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21313}}^1$

素因数の和:21351

約数の個数: 120

約数和(自身を含む): 1030745040

約数和(自身を除く): 739183200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 21313, 42626, 63939, 85252, 106565, 127878, 170504, 191817, 213130, 255756, 319695, 341008, 383634, 404947, 426260, 511512, 639390, 767268, 809894, 852520, 959085, 1023024, 1214841, 1278780, 1534536, 1619788, 1705040, 1918170, 2024735, 2429682, 2557560, 3069072, 3239576, 3644523, 3836340, 4049470, 4859364, 5115120, 6074205, 6479152, 7289046, 7672680, 8098940, 9718728, 12148410, 14578092, 15345360, 16197880, 18222615, 19437456, 24296820, 29156184, 32395760, 36445230, 48593640, 58312368, 72890460, 97187280, 145780920, 291561840]

約数ペア:

[(1, 291561840), (2, 145780920), (3, 97187280), (4, 72890460), (5, 58312368), (6, 48593640), (8, 36445230), (9, 32395760), (10, 29156184), (12, 24296820), (15, 19437456), (16, 18222615), (18, 16197880), (19, 15345360), (20, 14578092), (24, 12148410), (30, 9718728), (36, 8098940), (38, 7672680), (40, 7289046), (45, 6479152), (48, 6074205), (57, 5115120), (60, 4859364), (72, 4049470), (76, 3836340), (80, 3644523), (90, 3239576), (95, 3069072), (114, 2557560), (120, 2429682), (144, 2024735), (152, 1918170), (171, 1705040), (180, 1619788), (190, 1534536), (228, 1278780), (240, 1214841), (285, 1023024), (304, 959085), (342, 852520), (360, 809894), (380, 767268), (456, 639390), (570, 511512), (684, 426260), (720, 404947), (760, 383634), (855, 341008), (912, 319695), (1140, 255756), (1368, 213130), (1520, 191817), (1710, 170504), (2280, 127878), (2736, 106565), (3420, 85252), (4560, 63939), (6840, 42626), (13680, 21313)]