1831251720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:320

約数の個数: 256

約数和(自身を含む): 5946048000

約数和(自身を除く): 4114796280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 61, 69, 73, 92, 115, 120, 122, 138, 146, 149, 183, 184, 219, 230, 244, 276, 292, 298, 305, 345, 365, 366, 438, 447, 460, 488, 552, 584, 596, 610, 690, 730, 732, 745, 876, 894, 915, 920, 1095, 1192, 1220, 1380, 1403, 1460, 1464, 1490, 1679, 1752, 1788, 1830, 2190, 2235, 2440, 2760, 2806, 2920, 2980, 3358, 3427, 3576, 3660, 4209, 4380, 4453, 4470, 5037, 5612, 5960, 6716, 6854, 7015, 7320, 8395, 8418, 8760, 8906, 8940, 9089, 10074, 10281, 10877, 11224, 13359, 13432, 13708, 14030, 16790, 16836, 17135, 17812, 17880, 18178, 20148, 20562, 21045, 21754, 22265, 25185, 26718, 27267, 27416, 28060, 32631, 33580, 33672, 34270, 35624, 36356, 40296, 41124, 42090, 43508, 44530, 45445, 50370, 51405, 53436, 54385, 54534, 56120, 65262, 66795, 67160, 68540, 72712, 82248, 84180, 87016, 89060, 90890, 100740, 102419, 102810, 106872, 108770, 109068, 130524, 133590, 136335, 137080, 163155, 168360, 178120, 181780, 201480, 204838, 205620, 209047, 217540, 218136, 250171, 261048, 267180, 272670, 307257, 326310, 363560, 409676, 411240, 418094, 435080, 500342, 512095, 534360, 545340, 614514, 627141, 652620, 663497, 750513, 819352, 836188, 1000684, 1024190, 1045235, 1090680, 1229028, 1250855, 1254282, 1305240, 1326994, 1501026, 1536285, 1672376, 1990491, 2001368, 2048380, 2090470, 2458056, 2501710, 2508564, 2653988, 3002052, 3072570, 3135705, 3317485, 3752565, 3980982, 4096760, 4180940, 5003420, 5017128, 5307976, 6004104, 6145140, 6271410, 6634970, 7505130, 7961964, 8361880, 9952455, 10006840, 12290280, 12542820, 13269940, 15010260, 15260431, 15923928, 19904910, 25085640, 26539880, 30020520, 30520862, 39809820, 45781293, 61041724, 76302155, 79619640, 91562586, 122083448, 152604310, 183125172, 228906465, 305208620, 366250344, 457812930, 610417240, 915625860, 1831251720]

約数ペア:

[(1, 1831251720), (2, 915625860), (3, 610417240), (4, 457812930), (5, 366250344), (6, 305208620), (8, 228906465), (10, 183125172), (12, 152604310), (15, 122083448), (20, 91562586), (23, 79619640), (24, 76302155), (30, 61041724), (40, 45781293), (46, 39809820), (60, 30520862), (61, 30020520), (69, 26539880), (73, 25085640), (92, 19904910), (115, 15923928), (120, 15260431), (122, 15010260), (138, 13269940), (146, 12542820), (149, 12290280), (183, 10006840), (184, 9952455), (219, 8361880), (230, 7961964), (244, 7505130), (276, 6634970), (292, 6271410), (298, 6145140), (305, 6004104), (345, 5307976), (365, 5017128), (366, 5003420), (438, 4180940), (447, 4096760), (460, 3980982), (488, 3752565), (552, 3317485), (584, 3135705), (596, 3072570), (610, 3002052), (690, 2653988), (730, 2508564), (732, 2501710), (745, 2458056), (876, 2090470), (894, 2048380), (915, 2001368), (920, 1990491), (1095, 1672376), (1192, 1536285), (1220, 1501026), (1380, 1326994), (1403, 1305240), (1460, 1254282), (1464, 1250855), (1490, 1229028), (1679, 1090680), (1752, 1045235), (1788, 1024190), (1830, 1000684), (2190, 836188), (2235, 819352), (2440, 750513), (2760, 663497), (2806, 652620), (2920, 627141), (2980, 614514), (3358, 545340), (3427, 534360), (3576, 512095), (3660, 500342), (4209, 435080), (4380, 418094), (4453, 411240), (4470, 409676), (5037, 363560), (5612, 326310), (5960, 307257), (6716, 272670), (6854, 267180), (7015, 261048), (7320, 250171), (8395, 218136), (8418, 217540), (8760, 209047), (8906, 205620), (8940, 204838), (9089, 201480), (10074, 181780), (10281, 178120), (10877, 168360), (11224, 163155), (13359, 137080), (13432, 136335), (13708, 133590), (14030, 130524), (16790, 109068), (16836, 108770), (17135, 106872), (17812, 102810), (17880, 102419), (18178, 100740), (20148, 90890), (20562, 89060), (21045, 87016), (21754, 84180), (22265, 82248), (25185, 72712), (26718, 68540), (27267, 67160), (27416, 66795), (28060, 65262), (32631, 56120), (33580, 54534), (33672, 54385), (34270, 53436), (35624, 51405), (36356, 50370), (40296, 45445), (41124, 44530), (42090, 43508)]