156979040140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{521}}^1\times {\mathrm{919}}^1$

素因数の和:1572

約数の個数: 144

約数和(自身を含む): 361730214720

約数和(自身を除く): 204751174580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 169, 194, 260, 338, 388, 485, 521, 676, 845, 919, 970, 1042, 1261, 1690, 1838, 1940, 2084, 2522, 2605, 3380, 3676, 4595, 5044, 5210, 6305, 6773, 9190, 10420, 11947, 12610, 13546, 16393, 18380, 23894, 25220, 27092, 32786, 33865, 47788, 50537, 59735, 65572, 67730, 81965, 88049, 89143, 101074, 119470, 135460, 155311, 163930, 176098, 178286, 202148, 238940, 252685, 310622, 327860, 352196, 356572, 440245, 445715, 478799, 505370, 621244, 656981, 776555, 880490, 891430, 957598, 1010740, 1158859, 1313962, 1553110, 1760980, 1782860, 1915196, 2317718, 2393995, 2627924, 3106220, 3284905, 4635436, 4787990, 5794295, 6224387, 6569810, 8540753, 9575980, 11588590, 12448774, 13139620, 15065167, 17081506, 23177180, 24897548, 30130334, 31121935, 34163012, 42703765, 46443503, 60260668, 62243870, 75325835, 80917031, 85407530, 92887006, 124487740, 150651670, 161834062, 170815060, 185774012, 232217515, 301303340, 323668124, 404585155, 464435030, 603765539, 809170310, 928870060, 1207531078, 1618340620, 2415062156, 3018827695, 6037655390, 7848952007, 12075310780, 15697904014, 31395808028, 39244760035, 78489520070, 156979040140]

約数ペア:

[(1, 156979040140), (2, 78489520070), (4, 39244760035), (5, 31395808028), (10, 15697904014), (13, 12075310780), (20, 7848952007), (26, 6037655390), (52, 3018827695), (65, 2415062156), (97, 1618340620), (130, 1207531078), (169, 928870060), (194, 809170310), (260, 603765539), (338, 464435030), (388, 404585155), (485, 323668124), (521, 301303340), (676, 232217515), (845, 185774012), (919, 170815060), (970, 161834062), (1042, 150651670), (1261, 124487740), (1690, 92887006), (1838, 85407530), (1940, 80917031), (2084, 75325835), (2522, 62243870), (2605, 60260668), (3380, 46443503), (3676, 42703765), (4595, 34163012), (5044, 31121935), (5210, 30130334), (6305, 24897548), (6773, 23177180), (9190, 17081506), (10420, 15065167), (11947, 13139620), (12610, 12448774), (13546, 11588590), (16393, 9575980), (18380, 8540753), (23894, 6569810), (25220, 6224387), (27092, 5794295), (32786, 4787990), (33865, 4635436), (47788, 3284905), (50537, 3106220), (59735, 2627924), (65572, 2393995), (67730, 2317718), (81965, 1915196), (88049, 1782860), (89143, 1760980), (101074, 1553110), (119470, 1313962), (135460, 1158859), (155311, 1010740), (163930, 957598), (176098, 891430), (178286, 880490), (202148, 776555), (238940, 656981), (252685, 621244), (310622, 505370), (327860, 478799), (352196, 445715), (356572, 440245)]