15691142528

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{509}}^1$

素因数の和:1028

約数の個数: 128

約数和(自身を含む): 34308230400

約数和(自身を除く): 18617087872

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 248, 272, 457, 496, 509, 527, 544, 914, 992, 1018, 1054, 1088, 1828, 1984, 2036, 2108, 2176, 3656, 3968, 4072, 4216, 7312, 7769, 8144, 8432, 8653, 14167, 14624, 15538, 15779, 16288, 16864, 17306, 28334, 29248, 31076, 31558, 32576, 33728, 34612, 56668, 58496, 62152, 63116, 65152, 67456, 69224, 113336, 124304, 126232, 138448, 226672, 232613, 240839, 248608, 252464, 268243, 276896, 453344, 465226, 481678, 497216, 504928, 536486, 553792, 906688, 930452, 963356, 994432, 1009856, 1072972, 1107584, 1813376, 1860904, 1926712, 2019712, 2145944, 3721808, 3853424, 3954421, 4291888, 7211003, 7443616, 7706848, 7908842, 8583776, 14422006, 14887232, 15413696, 15817684, 17167552, 28844012, 29774464, 30827392, 31635368, 34335104, 57688024, 63270736, 115376048, 122587051, 126541472, 230752096, 245174102, 253082944, 461504192, 490348204, 506165888, 923008384, 980696408, 1961392816, 3922785632, 7845571264, 15691142528]

約数ペア:

[(1, 15691142528), (2, 7845571264), (4, 3922785632), (8, 1961392816), (16, 980696408), (17, 923008384), (31, 506165888), (32, 490348204), (34, 461504192), (62, 253082944), (64, 245174102), (68, 230752096), (124, 126541472), (128, 122587051), (136, 115376048), (248, 63270736), (272, 57688024), (457, 34335104), (496, 31635368), (509, 30827392), (527, 29774464), (544, 28844012), (914, 17167552), (992, 15817684), (1018, 15413696), (1054, 14887232), (1088, 14422006), (1828, 8583776), (1984, 7908842), (2036, 7706848), (2108, 7443616), (2176, 7211003), (3656, 4291888), (3968, 3954421), (4072, 3853424), (4216, 3721808), (7312, 2145944), (7769, 2019712), (8144, 1926712), (8432, 1860904), (8653, 1813376), (14167, 1107584), (14624, 1072972), (15538, 1009856), (15779, 994432), (16288, 963356), (16864, 930452), (17306, 906688), (28334, 553792), (29248, 536486), (31076, 504928), (31558, 497216), (32576, 481678), (33728, 465226), (34612, 453344), (56668, 276896), (58496, 268243), (62152, 252464), (63116, 248608), (65152, 240839), (67456, 232613), (69224, 226672), (113336, 138448), (124304, 126232)]