1561336980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{3517}}^1$

素因数の和:3694

約数の個数: 144

約数和(自身を含む): 5120631936

約数和(自身を除く): 3559294956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 151, 196, 210, 245, 294, 302, 420, 453, 490, 588, 604, 735, 755, 906, 980, 1057, 1470, 1510, 1812, 2114, 2265, 2940, 3020, 3171, 3517, 4228, 4530, 5285, 6342, 7034, 7399, 9060, 10551, 10570, 12684, 14068, 14798, 15855, 17585, 21102, 21140, 22197, 24619, 29596, 31710, 35170, 36995, 42204, 44394, 49238, 52755, 63420, 70340, 73857, 73990, 88788, 98476, 105510, 110985, 123095, 147714, 147980, 172333, 211020, 221970, 246190, 295428, 344666, 369285, 443940, 492380, 516999, 531067, 689332, 738570, 861665, 1033998, 1062134, 1477140, 1593201, 1723330, 2067996, 2124268, 2584995, 2655335, 3186402, 3446660, 3717469, 5169990, 5310670, 6372804, 7434938, 7966005, 10339980, 10621340, 11152407, 14869876, 15932010, 18587345, 22304814, 26022283, 31864020, 37174690, 44609628, 52044566, 55762035, 74349380, 78066849, 104089132, 111524070, 130111415, 156133698, 223048140, 260222830, 312267396, 390334245, 520445660, 780668490, 1561336980]

約数ペア:

[(1, 1561336980), (2, 780668490), (3, 520445660), (4, 390334245), (5, 312267396), (6, 260222830), (7, 223048140), (10, 156133698), (12, 130111415), (14, 111524070), (15, 104089132), (20, 78066849), (21, 74349380), (28, 55762035), (30, 52044566), (35, 44609628), (42, 37174690), (49, 31864020), (60, 26022283), (70, 22304814), (84, 18587345), (98, 15932010), (105, 14869876), (140, 11152407), (147, 10621340), (151, 10339980), (196, 7966005), (210, 7434938), (245, 6372804), (294, 5310670), (302, 5169990), (420, 3717469), (453, 3446660), (490, 3186402), (588, 2655335), (604, 2584995), (735, 2124268), (755, 2067996), (906, 1723330), (980, 1593201), (1057, 1477140), (1470, 1062134), (1510, 1033998), (1812, 861665), (2114, 738570), (2265, 689332), (2940, 531067), (3020, 516999), (3171, 492380), (3517, 443940), (4228, 369285), (4530, 344666), (5285, 295428), (6342, 246190), (7034, 221970), (7399, 211020), (9060, 172333), (10551, 147980), (10570, 147714), (12684, 123095), (14068, 110985), (14798, 105510), (15855, 98476), (17585, 88788), (21102, 73990), (21140, 73857), (22197, 70340), (24619, 63420), (29596, 52755), (31710, 49238), (35170, 44394), (36995, 42204)]