987153560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{683}}^1\times {\mathrm{1571}}^1$

素因数の和:2288

約数の個数: 64

約数和(自身を含む): 2322535680

約数和(自身を除く): 1335382120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 683, 920, 1366, 1571, 2732, 3142, 3415, 5464, 6284, 6830, 7855, 12568, 13660, 15709, 15710, 27320, 31418, 31420, 36133, 62836, 62840, 72266, 78545, 125672, 144532, 157090, 180665, 289064, 314180, 361330, 628360, 722660, 1072993, 1445320, 2145986, 4291972, 5364965, 8583944, 10729930, 21459860, 24678839, 42919720, 49357678, 98715356, 123394195, 197430712, 246788390, 493576780, 987153560]

約数ペア:

[(1, 987153560), (2, 493576780), (4, 246788390), (5, 197430712), (8, 123394195), (10, 98715356), (20, 49357678), (23, 42919720), (40, 24678839), (46, 21459860), (92, 10729930), (115, 8583944), (184, 5364965), (230, 4291972), (460, 2145986), (683, 1445320), (920, 1072993), (1366, 722660), (1571, 628360), (2732, 361330), (3142, 314180), (3415, 289064), (5464, 180665), (6284, 157090), (6830, 144532), (7855, 125672), (12568, 78545), (13660, 72266), (15709, 62840), (15710, 62836), (27320, 36133), (31418, 31420)]