745184760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{587}}^1$

素因数の和:821

約数の個数: 128

約数和(自身を含む): 2286144000

約数和(自身を除く): 1540959240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 149, 213, 284, 298, 355, 426, 447, 568, 587, 596, 710, 745, 852, 894, 1065, 1174, 1192, 1420, 1490, 1704, 1761, 1788, 2130, 2235, 2348, 2840, 2935, 2980, 3522, 3576, 4260, 4470, 4696, 5870, 5960, 7044, 8520, 8805, 8940, 10579, 11740, 14088, 17610, 17880, 21158, 23480, 31737, 35220, 41677, 42316, 52895, 63474, 70440, 83354, 84632, 87463, 105790, 125031, 126948, 158685, 166708, 174926, 208385, 211580, 250062, 253896, 262389, 317370, 333416, 349852, 416770, 423160, 437315, 500124, 524778, 625155, 634740, 699704, 833540, 874630, 1000248, 1049556, 1250310, 1269480, 1311945, 1667080, 1749260, 2099112, 2500620, 2623890, 3498520, 5001240, 5247780, 6209873, 10495560, 12419746, 18629619, 24839492, 31049365, 37259238, 49678984, 62098730, 74518476, 93148095, 124197460, 149036952, 186296190, 248394920, 372592380, 745184760]

約数ペア:

[(1, 745184760), (2, 372592380), (3, 248394920), (4, 186296190), (5, 149036952), (6, 124197460), (8, 93148095), (10, 74518476), (12, 62098730), (15, 49678984), (20, 37259238), (24, 31049365), (30, 24839492), (40, 18629619), (60, 12419746), (71, 10495560), (120, 6209873), (142, 5247780), (149, 5001240), (213, 3498520), (284, 2623890), (298, 2500620), (355, 2099112), (426, 1749260), (447, 1667080), (568, 1311945), (587, 1269480), (596, 1250310), (710, 1049556), (745, 1000248), (852, 874630), (894, 833540), (1065, 699704), (1174, 634740), (1192, 625155), (1420, 524778), (1490, 500124), (1704, 437315), (1761, 423160), (1788, 416770), (2130, 349852), (2235, 333416), (2348, 317370), (2840, 262389), (2935, 253896), (2980, 250062), (3522, 211580), (3576, 208385), (4260, 174926), (4470, 166708), (4696, 158685), (5870, 126948), (5960, 125031), (7044, 105790), (8520, 87463), (8805, 84632), (8940, 83354), (10579, 70440), (11740, 63474), (14088, 52895), (17610, 42316), (17880, 41677), (21158, 35220), (23480, 31737)]