2018656140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^2$

素因数の和:540

約数の個数: 144

約数和(自身を含む): 6167454720

約数和(自身を除く): 4148798580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 239, 285, 310, 372, 380, 465, 478, 570, 589, 620, 717, 930, 956, 1140, 1178, 1195, 1434, 1767, 1860, 2356, 2390, 2868, 2945, 3534, 3585, 4541, 4780, 5890, 7068, 7170, 7409, 8835, 9082, 11780, 13623, 14340, 14818, 17670, 18164, 22227, 22705, 27246, 29636, 35340, 37045, 44454, 45410, 54492, 57121, 68115, 74090, 88908, 90820, 111135, 114242, 136230, 140771, 148180, 171363, 222270, 228484, 272460, 281542, 285605, 342726, 422313, 444540, 563084, 571210, 685452, 703855, 844626, 856815, 1085299, 1142420, 1407710, 1689252, 1713630, 1770751, 2111565, 2170598, 2815420, 3255897, 3427260, 3541502, 4223130, 4341196, 5312253, 5426495, 6511794, 7083004, 8446260, 8853755, 10624506, 10852990, 13023588, 16279485, 17707510, 21249012, 21705980, 26561265, 32558970, 33644269, 35415020, 53122530, 65117940, 67288538, 100932807, 106245060, 134577076, 168221345, 201865614, 336442690, 403731228, 504664035, 672885380, 1009328070, 2018656140]

約数ペア:

[(1, 2018656140), (2, 1009328070), (3, 672885380), (4, 504664035), (5, 403731228), (6, 336442690), (10, 201865614), (12, 168221345), (15, 134577076), (19, 106245060), (20, 100932807), (30, 67288538), (31, 65117940), (38, 53122530), (57, 35415020), (60, 33644269), (62, 32558970), (76, 26561265), (93, 21705980), (95, 21249012), (114, 17707510), (124, 16279485), (155, 13023588), (186, 10852990), (190, 10624506), (228, 8853755), (239, 8446260), (285, 7083004), (310, 6511794), (372, 5426495), (380, 5312253), (465, 4341196), (478, 4223130), (570, 3541502), (589, 3427260), (620, 3255897), (717, 2815420), (930, 2170598), (956, 2111565), (1140, 1770751), (1178, 1713630), (1195, 1689252), (1434, 1407710), (1767, 1142420), (1860, 1085299), (2356, 856815), (2390, 844626), (2868, 703855), (2945, 685452), (3534, 571210), (3585, 563084), (4541, 444540), (4780, 422313), (5890, 342726), (7068, 285605), (7170, 281542), (7409, 272460), (8835, 228484), (9082, 222270), (11780, 171363), (13623, 148180), (14340, 140771), (14818, 136230), (17670, 114242), (18164, 111135), (22227, 90820), (22705, 88908), (27246, 74090), (29636, 68115), (35340, 57121), (37045, 54492), (44454, 45410)]