111721520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2371}}^1$

素因数の和:2434

約数の個数: 80

約数和(自身を含む): 282362880

約数和(自身を除く): 170641360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2371, 2480, 2945, 4712, 4742, 5890, 9424, 9484, 11780, 11855, 18968, 23560, 23710, 37936, 45049, 47120, 47420, 73501, 90098, 94840, 147002, 180196, 189680, 225245, 294004, 360392, 367505, 450490, 588008, 720784, 735010, 900980, 1176016, 1396519, 1470020, 1801960, 2793038, 2940040, 3603920, 5586076, 5880080, 6982595, 11172152, 13965190, 22344304, 27930380, 55860760, 111721520]

約数ペア:

[(1, 111721520), (2, 55860760), (4, 27930380), (5, 22344304), (8, 13965190), (10, 11172152), (16, 6982595), (19, 5880080), (20, 5586076), (31, 3603920), (38, 2940040), (40, 2793038), (62, 1801960), (76, 1470020), (80, 1396519), (95, 1176016), (124, 900980), (152, 735010), (155, 720784), (190, 588008), (248, 450490), (304, 367505), (310, 360392), (380, 294004), (496, 225245), (589, 189680), (620, 180196), (760, 147002), (1178, 94840), (1240, 90098), (1520, 73501), (2356, 47420), (2371, 47120), (2480, 45049), (2945, 37936), (4712, 23710), (4742, 23560), (5890, 18968), (9424, 11855), (9484, 11780)]