128664480

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:431

約数の個数: 192

約数和(自身を含む): 468115200

約数和(自身を除く): 339450720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 149, 160, 168, 210, 224, 240, 257, 280, 298, 336, 420, 447, 480, 514, 560, 596, 672, 745, 771, 840, 894, 1028, 1043, 1120, 1192, 1285, 1490, 1542, 1680, 1788, 1799, 2056, 2086, 2235, 2384, 2570, 2980, 3084, 3129, 3360, 3576, 3598, 3855, 4112, 4172, 4470, 4768, 5140, 5215, 5397, 5960, 6168, 6258, 7152, 7196, 7710, 8224, 8344, 8940, 8995, 10280, 10430, 10794, 11920, 12336, 12516, 14304, 14392, 15420, 15645, 16688, 17880, 17990, 20560, 20860, 21588, 23840, 24672, 25032, 26985, 28784, 30840, 31290, 33376, 35760, 35980, 38293, 41120, 41720, 43176, 50064, 53970, 57568, 61680, 62580, 71520, 71960, 76586, 83440, 86352, 100128, 107940, 114879, 123360, 125160, 143920, 153172, 166880, 172704, 191465, 215880, 229758, 250320, 268051, 287840, 306344, 382930, 431760, 459516, 500640, 536102, 574395, 612688, 765860, 804153, 863520, 919032, 1072204, 1148790, 1225376, 1340255, 1531720, 1608306, 1838064, 2144408, 2297580, 2680510, 3063440, 3216612, 3676128, 4020765, 4288816, 4595160, 5361020, 6126880, 6433224, 8041530, 8577632, 9190320, 10722040, 12866448, 16083060, 18380640, 21444080, 25732896, 32166120, 42888160, 64332240, 128664480]

約数ペア:

[(1, 128664480), (2, 64332240), (3, 42888160), (4, 32166120), (5, 25732896), (6, 21444080), (7, 18380640), (8, 16083060), (10, 12866448), (12, 10722040), (14, 9190320), (15, 8577632), (16, 8041530), (20, 6433224), (21, 6126880), (24, 5361020), (28, 4595160), (30, 4288816), (32, 4020765), (35, 3676128), (40, 3216612), (42, 3063440), (48, 2680510), (56, 2297580), (60, 2144408), (70, 1838064), (80, 1608306), (84, 1531720), (96, 1340255), (105, 1225376), (112, 1148790), (120, 1072204), (140, 919032), (149, 863520), (160, 804153), (168, 765860), (210, 612688), (224, 574395), (240, 536102), (257, 500640), (280, 459516), (298, 431760), (336, 382930), (420, 306344), (447, 287840), (480, 268051), (514, 250320), (560, 229758), (596, 215880), (672, 191465), (745, 172704), (771, 166880), (840, 153172), (894, 143920), (1028, 125160), (1043, 123360), (1120, 114879), (1192, 107940), (1285, 100128), (1490, 86352), (1542, 83440), (1680, 76586), (1788, 71960), (1799, 71520), (2056, 62580), (2086, 61680), (2235, 57568), (2384, 53970), (2570, 50064), (2980, 43176), (3084, 41720), (3129, 41120), (3360, 38293), (3576, 35980), (3598, 35760), (3855, 33376), (4112, 31290), (4172, 30840), (4470, 28784), (4768, 26985), (5140, 25032), (5215, 24672), (5397, 23840), (5960, 21588), (6168, 20860), (6258, 20560), (7152, 17990), (7196, 17880), (7710, 16688), (8224, 15645), (8344, 15420), (8940, 14392), (8995, 14304), (10280, 12516), (10430, 12336), (10794, 11920)]