1388293440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:625

約数の個数: 224

約数和(自身を含む): 4699430784

約数和(自身を除く): 3311137344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 257, 272, 320, 331, 340, 408, 480, 510, 514, 544, 662, 680, 771, 816, 960, 993, 1020, 1028, 1088, 1285, 1324, 1360, 1542, 1632, 1655, 1986, 2040, 2056, 2570, 2648, 2720, 3084, 3264, 3310, 3855, 3972, 4080, 4112, 4369, 4965, 5140, 5296, 5440, 5627, 6168, 6620, 7710, 7944, 8160, 8224, 8738, 9930, 10280, 10592, 11254, 12336, 13107, 13240, 15420, 15888, 16320, 16448, 16881, 17476, 19860, 20560, 21184, 21845, 22508, 24672, 26214, 26480, 28135, 30840, 31776, 33762, 34952, 39720, 41120, 43690, 45016, 49344, 52428, 52960, 56270, 61680, 63552, 65535, 67524, 69904, 79440, 82240, 84405, 85067, 87380, 90032, 104856, 105920, 112540, 123360, 131070, 135048, 139808, 158880, 168810, 170134, 174760, 180064, 209712, 225080, 246720, 255201, 262140, 270096, 279616, 317760, 337620, 340268, 349520, 360128, 419424, 425335, 450160, 510402, 524280, 540192, 675240, 680536, 699040, 838848, 850670, 900320, 1020804, 1048560, 1080384, 1276005, 1350480, 1361072, 1398080, 1446139, 1701340, 1800640, 2041608, 2097120, 2552010, 2700960, 2722144, 2892278, 3402680, 4083216, 4194240, 4338417, 5104020, 5401920, 5444288, 5784556, 6805360, 7230695, 8166432, 8676834, 10208040, 11569112, 13610720, 14461390, 16332864, 17353668, 20416080, 21692085, 23138224, 27221440, 28922780, 34707336, 40832160, 43384170, 46276448, 57845560, 69414672, 81664320, 86768340, 92552896, 115691120, 138829344, 173536680, 231382240, 277658688, 347073360, 462764480, 694146720, 1388293440]

約数ペア:

[(1, 1388293440), (2, 694146720), (3, 462764480), (4, 347073360), (5, 277658688), (6, 231382240), (8, 173536680), (10, 138829344), (12, 115691120), (15, 92552896), (16, 86768340), (17, 81664320), (20, 69414672), (24, 57845560), (30, 46276448), (32, 43384170), (34, 40832160), (40, 34707336), (48, 28922780), (51, 27221440), (60, 23138224), (64, 21692085), (68, 20416080), (80, 17353668), (85, 16332864), (96, 14461390), (102, 13610720), (120, 11569112), (136, 10208040), (160, 8676834), (170, 8166432), (192, 7230695), (204, 6805360), (240, 5784556), (255, 5444288), (257, 5401920), (272, 5104020), (320, 4338417), (331, 4194240), (340, 4083216), (408, 3402680), (480, 2892278), (510, 2722144), (514, 2700960), (544, 2552010), (662, 2097120), (680, 2041608), (771, 1800640), (816, 1701340), (960, 1446139), (993, 1398080), (1020, 1361072), (1028, 1350480), (1088, 1276005), (1285, 1080384), (1324, 1048560), (1360, 1020804), (1542, 900320), (1632, 850670), (1655, 838848), (1986, 699040), (2040, 680536), (2056, 675240), (2570, 540192), (2648, 524280), (2720, 510402), (3084, 450160), (3264, 425335), (3310, 419424), (3855, 360128), (3972, 349520), (4080, 340268), (4112, 337620), (4369, 317760), (4965, 279616), (5140, 270096), (5296, 262140), (5440, 255201), (5627, 246720), (6168, 225080), (6620, 209712), (7710, 180064), (7944, 174760), (8160, 170134), (8224, 168810), (8738, 158880), (9930, 139808), (10280, 135048), (10592, 131070), (11254, 123360), (12336, 112540), (13107, 105920), (13240, 104856), (15420, 90032), (15888, 87380), (16320, 85067), (16448, 84405), (16881, 82240), (17476, 79440), (19860, 69904), (20560, 67524), (21184, 65535), (21845, 63552), (22508, 61680), (24672, 56270), (26214, 52960), (26480, 52428), (28135, 49344), (30840, 45016), (31776, 43690), (33762, 41120), (34952, 39720)]