154883440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 120

約数和(自身を含む): 394581888

約数和(自身を除く): 239698448

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 173, 190, 248, 304, 310, 346, 361, 380, 496, 589, 620, 692, 722, 760, 865, 1178, 1240, 1384, 1444, 1520, 1730, 1805, 2356, 2480, 2768, 2888, 2945, 3287, 3460, 3610, 4712, 5363, 5776, 5890, 6574, 6920, 7220, 9424, 10726, 11191, 11780, 13148, 13840, 14440, 16435, 21452, 22382, 23560, 26296, 26815, 28880, 32870, 42904, 44764, 47120, 52592, 53630, 55955, 62453, 65740, 85808, 89528, 101897, 107260, 111910, 124906, 131480, 179056, 203794, 214520, 223820, 249812, 262960, 312265, 407588, 429040, 447640, 499624, 509485, 624530, 815176, 895280, 999248, 1018970, 1249060, 1630352, 1936043, 2037940, 2498120, 3872086, 4075880, 4996240, 7744172, 8151760, 9680215, 15488344, 19360430, 30976688, 38720860, 77441720, 154883440]

約数ペア:

[(1, 154883440), (2, 77441720), (4, 38720860), (5, 30976688), (8, 19360430), (10, 15488344), (16, 9680215), (19, 8151760), (20, 7744172), (31, 4996240), (38, 4075880), (40, 3872086), (62, 2498120), (76, 2037940), (80, 1936043), (95, 1630352), (124, 1249060), (152, 1018970), (155, 999248), (173, 895280), (190, 815176), (248, 624530), (304, 509485), (310, 499624), (346, 447640), (361, 429040), (380, 407588), (496, 312265), (589, 262960), (620, 249812), (692, 223820), (722, 214520), (760, 203794), (865, 179056), (1178, 131480), (1240, 124906), (1384, 111910), (1444, 107260), (1520, 101897), (1730, 89528), (1805, 85808), (2356, 65740), (2480, 62453), (2768, 55955), (2888, 53630), (2945, 52592), (3287, 47120), (3460, 44764), (3610, 42904), (4712, 32870), (5363, 28880), (5776, 26815), (5890, 26296), (6574, 23560), (6920, 22382), (7220, 21452), (9424, 16435), (10726, 14440), (11191, 13840), (11780, 13148)]