15719807360

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:561

約数の個数: 192

約数和(自身を含む): 39562311600

約数和(自身を除く): 23842504240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 122, 124, 128, 155, 160, 244, 248, 305, 310, 320, 419, 488, 496, 610, 620, 640, 838, 961, 976, 992, 1220, 1240, 1676, 1891, 1922, 1952, 1984, 2095, 2440, 2480, 3352, 3782, 3844, 3904, 3968, 4190, 4805, 4880, 4960, 6704, 7564, 7688, 7808, 8380, 9455, 9610, 9760, 9920, 12989, 13408, 15128, 15376, 16760, 18910, 19220, 19520, 19840, 25559, 25978, 26816, 30256, 30752, 33520, 37820, 38440, 39040, 51118, 51956, 53632, 58621, 60512, 61504, 64945, 67040, 75640, 76880, 102236, 103912, 117242, 121024, 123008, 127795, 129890, 134080, 151280, 153760, 204472, 207824, 234484, 242048, 255590, 259780, 268160, 293105, 302560, 307520, 402659, 408944, 415648, 468968, 511180, 519560, 586210, 605120, 615040, 792329, 805318, 817888, 831296, 937936, 1022360, 1039120, 1172420, 1210240, 1584658, 1610636, 1635776, 1662592, 1875872, 2013295, 2044720, 2078240, 2344840, 3169316, 3221272, 3271552, 3751744, 3961645, 4026590, 4089440, 4156480, 4689680, 6338632, 6442544, 7503488, 7923290, 8053180, 8178880, 8312960, 9379360, 12677264, 12885088, 15846580, 16106360, 16357760, 18758720, 24562199, 25354528, 25770176, 31693160, 32212720, 37517440, 49124398, 50709056, 51540352, 63386320, 64425440, 98248796, 101418112, 122810995, 126772640, 128850880, 196497592, 245621990, 253545280, 257701760, 392995184, 491243980, 507090560, 785990368, 982487960, 1571980736, 1964975920, 3143961472, 3929951840, 7859903680, 15719807360]

約数ペア:

[(1, 15719807360), (2, 7859903680), (4, 3929951840), (5, 3143961472), (8, 1964975920), (10, 1571980736), (16, 982487960), (20, 785990368), (31, 507090560), (32, 491243980), (40, 392995184), (61, 257701760), (62, 253545280), (64, 245621990), (80, 196497592), (122, 128850880), (124, 126772640), (128, 122810995), (155, 101418112), (160, 98248796), (244, 64425440), (248, 63386320), (305, 51540352), (310, 50709056), (320, 49124398), (419, 37517440), (488, 32212720), (496, 31693160), (610, 25770176), (620, 25354528), (640, 24562199), (838, 18758720), (961, 16357760), (976, 16106360), (992, 15846580), (1220, 12885088), (1240, 12677264), (1676, 9379360), (1891, 8312960), (1922, 8178880), (1952, 8053180), (1984, 7923290), (2095, 7503488), (2440, 6442544), (2480, 6338632), (3352, 4689680), (3782, 4156480), (3844, 4089440), (3904, 4026590), (3968, 3961645), (4190, 3751744), (4805, 3271552), (4880, 3221272), (4960, 3169316), (6704, 2344840), (7564, 2078240), (7688, 2044720), (7808, 2013295), (8380, 1875872), (9455, 1662592), (9610, 1635776), (9760, 1610636), (9920, 1584658), (12989, 1210240), (13408, 1172420), (15128, 1039120), (15376, 1022360), (16760, 937936), (18910, 831296), (19220, 817888), (19520, 805318), (19840, 792329), (25559, 615040), (25978, 605120), (26816, 586210), (30256, 519560), (30752, 511180), (33520, 468968), (37820, 415648), (38440, 408944), (39040, 402659), (51118, 307520), (51956, 302560), (53632, 293105), (58621, 268160), (60512, 259780), (61504, 255590), (64945, 242048), (67040, 234484), (75640, 207824), (76880, 204472), (102236, 153760), (103912, 151280), (117242, 134080), (121024, 129890), (123008, 127795)]