156612820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:702

約数の個数: 144

約数和(自身を含む): 434367360

約数和(自身を除く): 277754540

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 49, 52, 65, 70, 76, 91, 95, 98, 130, 133, 140, 182, 190, 196, 245, 247, 260, 266, 364, 380, 455, 490, 494, 532, 637, 647, 665, 910, 931, 980, 988, 1235, 1274, 1294, 1330, 1729, 1820, 1862, 2470, 2548, 2588, 2660, 3185, 3235, 3458, 3724, 4529, 4655, 4940, 6370, 6470, 6916, 8411, 8645, 9058, 9310, 12103, 12293, 12740, 12940, 16822, 17290, 18116, 18620, 22645, 24206, 24586, 31703, 33644, 34580, 42055, 45290, 48412, 49172, 58877, 60515, 61465, 63406, 84110, 86051, 90580, 117754, 121030, 122930, 126812, 158515, 159809, 168220, 172102, 235508, 242060, 245860, 294385, 317030, 319618, 344204, 412139, 430255, 588770, 602357, 634060, 639236, 799045, 824278, 860510, 1118663, 1177540, 1204714, 1598090, 1648556, 1721020, 2060695, 2237326, 2409428, 3011785, 3196180, 4121390, 4474652, 5593315, 6023570, 7830641, 8242780, 11186630, 12047140, 15661282, 22373260, 31322564, 39153205, 78306410, 156612820]

約数ペア:

[(1, 156612820), (2, 78306410), (4, 39153205), (5, 31322564), (7, 22373260), (10, 15661282), (13, 12047140), (14, 11186630), (19, 8242780), (20, 7830641), (26, 6023570), (28, 5593315), (35, 4474652), (38, 4121390), (49, 3196180), (52, 3011785), (65, 2409428), (70, 2237326), (76, 2060695), (91, 1721020), (95, 1648556), (98, 1598090), (130, 1204714), (133, 1177540), (140, 1118663), (182, 860510), (190, 824278), (196, 799045), (245, 639236), (247, 634060), (260, 602357), (266, 588770), (364, 430255), (380, 412139), (455, 344204), (490, 319618), (494, 317030), (532, 294385), (637, 245860), (647, 242060), (665, 235508), (910, 172102), (931, 168220), (980, 159809), (988, 158515), (1235, 126812), (1274, 122930), (1294, 121030), (1330, 117754), (1729, 90580), (1820, 86051), (1862, 84110), (2470, 63406), (2548, 61465), (2588, 60515), (2660, 58877), (3185, 49172), (3235, 48412), (3458, 45290), (3724, 42055), (4529, 34580), (4655, 33644), (4940, 31703), (6370, 24586), (6470, 24206), (6916, 22645), (8411, 18620), (8645, 18116), (9058, 17290), (9310, 16822), (12103, 12940), (12293, 12740)]