278377320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{178447}}^1$

素因数の和:178474

約数の個数: 64

約数和(自身を含む): 899377920

約数和(自身を除く): 621000600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 178447, 356894, 535341, 713788, 892235, 1070682, 1427576, 1784470, 2141364, 2319811, 2676705, 3568940, 4282728, 4639622, 5353410, 6959433, 7137880, 9279244, 10706820, 11599055, 13918866, 18558488, 21413640, 23198110, 27837732, 34797165, 46396220, 55675464, 69594330, 92792440, 139188660, 278377320]

約数ペア:

[(1, 278377320), (2, 139188660), (3, 92792440), (4, 69594330), (5, 55675464), (6, 46396220), (8, 34797165), (10, 27837732), (12, 23198110), (13, 21413640), (15, 18558488), (20, 13918866), (24, 11599055), (26, 10706820), (30, 9279244), (39, 7137880), (40, 6959433), (52, 5353410), (60, 4639622), (65, 4282728), (78, 3568940), (104, 2676705), (120, 2319811), (130, 2141364), (156, 1784470), (195, 1427576), (260, 1070682), (312, 892235), (390, 713788), (520, 535341), (780, 356894), (1560, 178447)]