65355440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 120

約数和(自身を含む): 167810688

約数和(自身を除く): 102455248

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 73, 76, 80, 95, 124, 146, 152, 155, 190, 248, 292, 304, 310, 361, 365, 380, 496, 584, 589, 620, 722, 730, 760, 1168, 1178, 1240, 1387, 1444, 1460, 1520, 1805, 2263, 2356, 2480, 2774, 2888, 2920, 2945, 3610, 4526, 4712, 5548, 5776, 5840, 5890, 6935, 7220, 9052, 9424, 11096, 11191, 11315, 11780, 13870, 14440, 18104, 22192, 22382, 22630, 23560, 26353, 27740, 28880, 36208, 42997, 44764, 45260, 47120, 52706, 55480, 55955, 85994, 89528, 90520, 105412, 110960, 111910, 131765, 171988, 179056, 181040, 210824, 214985, 223820, 263530, 343976, 421648, 429970, 447640, 527060, 687952, 816943, 859940, 895280, 1054120, 1633886, 1719880, 2108240, 3267772, 3439760, 4084715, 6535544, 8169430, 13071088, 16338860, 32677720, 65355440]

約数ペア:

[(1, 65355440), (2, 32677720), (4, 16338860), (5, 13071088), (8, 8169430), (10, 6535544), (16, 4084715), (19, 3439760), (20, 3267772), (31, 2108240), (38, 1719880), (40, 1633886), (62, 1054120), (73, 895280), (76, 859940), (80, 816943), (95, 687952), (124, 527060), (146, 447640), (152, 429970), (155, 421648), (190, 343976), (248, 263530), (292, 223820), (304, 214985), (310, 210824), (361, 181040), (365, 179056), (380, 171988), (496, 131765), (584, 111910), (589, 110960), (620, 105412), (722, 90520), (730, 89528), (760, 85994), (1168, 55955), (1178, 55480), (1240, 52706), (1387, 47120), (1444, 45260), (1460, 44764), (1520, 42997), (1805, 36208), (2263, 28880), (2356, 27740), (2480, 26353), (2774, 23560), (2888, 22630), (2920, 22382), (2945, 22192), (3610, 18104), (4526, 14440), (4712, 13870), (5548, 11780), (5776, 11315), (5840, 11191), (5890, 11096), (6935, 9424), (7220, 9052)]