640778659780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{194113}}^1$

素因数の和:194238

約数の個数: 192

約数和(自身を含む): 1737522178560

約数和(自身を除く): 1096743518780

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 73, 76, 85, 95, 119, 133, 140, 146, 170, 190, 238, 266, 292, 323, 340, 365, 380, 476, 511, 532, 595, 646, 665, 730, 1022, 1190, 1241, 1292, 1330, 1387, 1460, 1615, 2044, 2261, 2380, 2482, 2555, 2660, 2774, 3230, 4522, 4964, 5110, 5548, 6205, 6460, 6935, 8687, 9044, 9709, 10220, 11305, 12410, 13870, 17374, 19418, 22610, 23579, 24820, 27740, 34748, 38836, 43435, 45220, 47158, 48545, 86870, 94316, 97090, 117895, 165053, 173740, 194113, 194180, 235790, 330106, 388226, 471580, 660212, 776452, 825265, 970565, 1358791, 1650530, 1941130, 2717582, 3299921, 3301060, 3688147, 3882260, 5435164, 6599842, 6793955, 7376294, 13199684, 13587910, 14170249, 14752588, 16499605, 18440735, 23099447, 25817029, 27175820, 28340498, 32999210, 36881470, 46198894, 51634058, 56680996, 62698499, 65998420, 70851245, 73762940, 92397788, 99191743, 103268116, 115497235, 125396998, 129085145, 141702490, 198383486, 230994470, 240894233, 250793996, 258170290, 269234731, 283404980, 313492495, 396766972, 438889493, 461988940, 481788466, 495958715, 516340580, 538469462, 626984990, 877778986, 963576932, 991917430, 1076938924, 1204471165, 1253969980, 1346173655, 1686259631, 1755557972, 1884643117, 1983834860, 2194447465, 2408942330, 2692347310, 3372519262, 3769286234, 4388894930, 4576990427, 4817884660, 5384694620, 6745038524, 7538572468, 8431298155, 8777789860, 9153980854, 9423215585, 16862596310, 18307961708, 18846431170, 22884952135, 32038932989, 33725192620, 37692862340, 45769904270, 64077865978, 91539808540, 128155731956, 160194664945, 320389329890, 640778659780]

約数ペア:

[(1, 640778659780), (2, 320389329890), (4, 160194664945), (5, 128155731956), (7, 91539808540), (10, 64077865978), (14, 45769904270), (17, 37692862340), (19, 33725192620), (20, 32038932989), (28, 22884952135), (34, 18846431170), (35, 18307961708), (38, 16862596310), (68, 9423215585), (70, 9153980854), (73, 8777789860), (76, 8431298155), (85, 7538572468), (95, 6745038524), (119, 5384694620), (133, 4817884660), (140, 4576990427), (146, 4388894930), (170, 3769286234), (190, 3372519262), (238, 2692347310), (266, 2408942330), (292, 2194447465), (323, 1983834860), (340, 1884643117), (365, 1755557972), (380, 1686259631), (476, 1346173655), (511, 1253969980), (532, 1204471165), (595, 1076938924), (646, 991917430), (665, 963576932), (730, 877778986), (1022, 626984990), (1190, 538469462), (1241, 516340580), (1292, 495958715), (1330, 481788466), (1387, 461988940), (1460, 438889493), (1615, 396766972), (2044, 313492495), (2261, 283404980), (2380, 269234731), (2482, 258170290), (2555, 250793996), (2660, 240894233), (2774, 230994470), (3230, 198383486), (4522, 141702490), (4964, 129085145), (5110, 125396998), (5548, 115497235), (6205, 103268116), (6460, 99191743), (6935, 92397788), (8687, 73762940), (9044, 70851245), (9709, 65998420), (10220, 62698499), (11305, 56680996), (12410, 51634058), (13870, 46198894), (17374, 36881470), (19418, 32999210), (22610, 28340498), (23579, 27175820), (24820, 25817029), (27740, 23099447), (34748, 18440735), (38836, 16499605), (43435, 14752588), (45220, 14170249), (47158, 13587910), (48545, 13199684), (86870, 7376294), (94316, 6793955), (97090, 6599842), (117895, 5435164), (165053, 3882260), (173740, 3688147), (194113, 3301060), (194180, 3299921), (235790, 2717582), (330106, 1941130), (388226, 1650530), (471580, 1358791), (660212, 970565), (776452, 825265)]