646147440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:504

約数の個数: 240

約数和(自身を含む): 2306772000

約数和(自身を除く): 1660624560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 149, 152, 171, 180, 190, 228, 240, 285, 298, 304, 317, 342, 360, 380, 447, 456, 570, 596, 634, 684, 720, 745, 760, 855, 894, 912, 951, 1140, 1192, 1268, 1341, 1368, 1490, 1520, 1585, 1710, 1788, 1902, 2235, 2280, 2384, 2536, 2682, 2736, 2831, 2853, 2980, 3170, 3420, 3576, 3804, 4470, 4560, 4755, 5072, 5364, 5662, 5706, 5960, 6023, 6340, 6705, 6840, 7152, 7608, 8493, 8940, 9510, 10728, 11324, 11412, 11920, 12046, 12680, 13410, 13680, 14155, 14265, 15216, 16986, 17880, 18069, 19020, 21456, 22648, 22824, 24092, 25360, 25479, 26820, 28310, 28530, 30115, 33972, 35760, 36138, 38040, 42465, 45296, 45648, 47233, 48184, 50958, 53640, 54207, 56620, 57060, 60230, 67944, 72276, 76080, 84930, 90345, 94466, 96368, 101916, 107280, 108414, 113240, 114120, 120460, 127395, 135888, 141699, 144552, 169860, 180690, 188932, 203832, 216828, 226480, 228240, 236165, 240920, 254790, 271035, 283398, 289104, 339720, 361380, 377864, 407664, 425097, 433656, 472330, 481840, 509580, 542070, 566796, 679440, 708495, 722760, 755728, 850194, 867312, 897427, 944660, 1019160, 1084140, 1133592, 1416990, 1445520, 1700388, 1794854, 1889320, 2038320, 2125485, 2168280, 2267184, 2692281, 2833980, 3400776, 3589708, 3778640, 4250970, 4336560, 4487135, 5384562, 5667960, 6801552, 7179416, 8076843, 8501940, 8974270, 10769124, 11335920, 13461405, 14358832, 16153686, 17003880, 17948540, 21538248, 26922810, 32307372, 34007760, 35897080, 40384215, 43076496, 53845620, 64614744, 71794160, 80768430, 107691240, 129229488, 161536860, 215382480, 323073720, 646147440]

約数ペア:

[(1, 646147440), (2, 323073720), (3, 215382480), (4, 161536860), (5, 129229488), (6, 107691240), (8, 80768430), (9, 71794160), (10, 64614744), (12, 53845620), (15, 43076496), (16, 40384215), (18, 35897080), (19, 34007760), (20, 32307372), (24, 26922810), (30, 21538248), (36, 17948540), (38, 17003880), (40, 16153686), (45, 14358832), (48, 13461405), (57, 11335920), (60, 10769124), (72, 8974270), (76, 8501940), (80, 8076843), (90, 7179416), (95, 6801552), (114, 5667960), (120, 5384562), (144, 4487135), (149, 4336560), (152, 4250970), (171, 3778640), (180, 3589708), (190, 3400776), (228, 2833980), (240, 2692281), (285, 2267184), (298, 2168280), (304, 2125485), (317, 2038320), (342, 1889320), (360, 1794854), (380, 1700388), (447, 1445520), (456, 1416990), (570, 1133592), (596, 1084140), (634, 1019160), (684, 944660), (720, 897427), (745, 867312), (760, 850194), (855, 755728), (894, 722760), (912, 708495), (951, 679440), (1140, 566796), (1192, 542070), (1268, 509580), (1341, 481840), (1368, 472330), (1490, 433656), (1520, 425097), (1585, 407664), (1710, 377864), (1788, 361380), (1902, 339720), (2235, 289104), (2280, 283398), (2384, 271035), (2536, 254790), (2682, 240920), (2736, 236165), (2831, 228240), (2853, 226480), (2980, 216828), (3170, 203832), (3420, 188932), (3576, 180690), (3804, 169860), (4470, 144552), (4560, 141699), (4755, 135888), (5072, 127395), (5364, 120460), (5662, 114120), (5706, 113240), (5960, 108414), (6023, 107280), (6340, 101916), (6705, 96368), (6840, 94466), (7152, 90345), (7608, 84930), (8493, 76080), (8940, 72276), (9510, 67944), (10728, 60230), (11324, 57060), (11412, 56620), (11920, 54207), (12046, 53640), (12680, 50958), (13410, 48184), (13680, 47233), (14155, 45648), (14265, 45296), (15216, 42465), (16986, 38040), (17880, 36138), (18069, 35760), (19020, 33972), (21456, 30115), (22648, 28530), (22824, 28310), (24092, 26820), (25360, 25479)]