2478637980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^2$

素因数の和:813

約数の個数: 216

約数和(自身を含む): 9277431072

約数和(自身を除く): 6798793092

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 389, 390, 420, 455, 468, 546, 585, 630, 778, 780, 819, 910, 1092, 1167, 1170, 1260, 1365, 1556, 1638, 1820, 1945, 2334, 2340, 2723, 2730, 3276, 3501, 3890, 4095, 4668, 5057, 5446, 5460, 5835, 7002, 7780, 8169, 8190, 10114, 10892, 11670, 13615, 14004, 15171, 16338, 16380, 17505, 20228, 23340, 24507, 25285, 27230, 30342, 32676, 35010, 35399, 40845, 45513, 49014, 50570, 54460, 60684, 70020, 70798, 75855, 81690, 91026, 98028, 101140, 106197, 122535, 141596, 151321, 151710, 163380, 176995, 182052, 212394, 227565, 245070, 302642, 303420, 318591, 353990, 424788, 453963, 455130, 490140, 530985, 605284, 637182, 707980, 756605, 907926, 910260, 1059247, 1061970, 1274364, 1361889, 1513210, 1592955, 1815852, 1967173, 2118494, 2123940, 2269815, 2723778, 3026420, 3177741, 3185910, 3934346, 4236988, 4539630, 5296235, 5447556, 5901519, 6355482, 6371820, 6809445, 7868692, 9079260, 9533223, 9835865, 10592470, 11803038, 12710964, 13618890, 13770211, 15888705, 17704557, 19066446, 19671730, 21184940, 23606076, 27237780, 27540422, 29507595, 31777410, 35409114, 38132892, 39343460, 41310633, 47666115, 55080844, 59015190, 63554820, 68851055, 70818228, 82621266, 88522785, 95332230, 118030380, 123931899, 137702110, 165242532, 177045570, 190664460, 206553165, 247863798, 275404220, 354091140, 413106330, 495727596, 619659495, 826212660, 1239318990, 2478637980]

約数ペア:

[(1, 2478637980), (2, 1239318990), (3, 826212660), (4, 619659495), (5, 495727596), (6, 413106330), (7, 354091140), (9, 275404220), (10, 247863798), (12, 206553165), (13, 190664460), (14, 177045570), (15, 165242532), (18, 137702110), (20, 123931899), (21, 118030380), (26, 95332230), (28, 88522785), (30, 82621266), (35, 70818228), (36, 68851055), (39, 63554820), (42, 59015190), (45, 55080844), (52, 47666115), (60, 41310633), (63, 39343460), (65, 38132892), (70, 35409114), (78, 31777410), (84, 29507595), (90, 27540422), (91, 27237780), (105, 23606076), (117, 21184940), (126, 19671730), (130, 19066446), (140, 17704557), (156, 15888705), (180, 13770211), (182, 13618890), (195, 12710964), (210, 11803038), (234, 10592470), (252, 9835865), (260, 9533223), (273, 9079260), (315, 7868692), (364, 6809445), (389, 6371820), (390, 6355482), (420, 5901519), (455, 5447556), (468, 5296235), (546, 4539630), (585, 4236988), (630, 3934346), (778, 3185910), (780, 3177741), (819, 3026420), (910, 2723778), (1092, 2269815), (1167, 2123940), (1170, 2118494), (1260, 1967173), (1365, 1815852), (1556, 1592955), (1638, 1513210), (1820, 1361889), (1945, 1274364), (2334, 1061970), (2340, 1059247), (2723, 910260), (2730, 907926), (3276, 756605), (3501, 707980), (3890, 637182), (4095, 605284), (4668, 530985), (5057, 490140), (5446, 455130), (5460, 453963), (5835, 424788), (7002, 353990), (7780, 318591), (8169, 303420), (8190, 302642), (10114, 245070), (10892, 227565), (11670, 212394), (13615, 182052), (14004, 176995), (15171, 163380), (16338, 151710), (16380, 151321), (17505, 141596), (20228, 122535), (23340, 106197), (24507, 101140), (25285, 98028), (27230, 91026), (30342, 81690), (32676, 75855), (35010, 70798), (35399, 70020), (40845, 60684), (45513, 54460), (49014, 50570)]