57787740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 188217120

約数和(自身を除く): 130429380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 61, 76, 90, 95, 114, 122, 171, 180, 183, 190, 228, 244, 277, 285, 305, 342, 366, 380, 549, 554, 570, 610, 684, 732, 831, 855, 915, 1098, 1108, 1140, 1159, 1220, 1385, 1662, 1710, 1830, 2196, 2318, 2493, 2745, 2770, 3324, 3420, 3477, 3660, 4155, 4636, 4986, 5263, 5490, 5540, 5795, 6954, 8310, 9972, 10431, 10526, 10980, 11590, 12465, 13908, 15789, 16620, 16897, 17385, 20862, 21052, 23180, 24930, 26315, 31578, 33794, 34770, 41724, 47367, 49860, 50691, 52155, 52630, 63156, 67588, 69540, 78945, 84485, 94734, 101382, 104310, 105260, 152073, 157890, 168970, 189468, 202764, 208620, 236835, 253455, 304146, 315780, 321043, 337940, 473670, 506910, 608292, 642086, 760365, 947340, 963129, 1013820, 1284172, 1520730, 1605215, 1926258, 2889387, 3041460, 3210430, 3852516, 4815645, 5778774, 6420860, 9631290, 11557548, 14446935, 19262580, 28893870, 57787740]

約数ペア:

[(1, 57787740), (2, 28893870), (3, 19262580), (4, 14446935), (5, 11557548), (6, 9631290), (9, 6420860), (10, 5778774), (12, 4815645), (15, 3852516), (18, 3210430), (19, 3041460), (20, 2889387), (30, 1926258), (36, 1605215), (38, 1520730), (45, 1284172), (57, 1013820), (60, 963129), (61, 947340), (76, 760365), (90, 642086), (95, 608292), (114, 506910), (122, 473670), (171, 337940), (180, 321043), (183, 315780), (190, 304146), (228, 253455), (244, 236835), (277, 208620), (285, 202764), (305, 189468), (342, 168970), (366, 157890), (380, 152073), (549, 105260), (554, 104310), (570, 101382), (610, 94734), (684, 84485), (732, 78945), (831, 69540), (855, 67588), (915, 63156), (1098, 52630), (1108, 52155), (1140, 50691), (1159, 49860), (1220, 47367), (1385, 41724), (1662, 34770), (1710, 33794), (1830, 31578), (2196, 26315), (2318, 24930), (2493, 23180), (2745, 21052), (2770, 20862), (3324, 17385), (3420, 16897), (3477, 16620), (3660, 15789), (4155, 13908), (4636, 12465), (4986, 11590), (5263, 10980), (5490, 10526), (5540, 10431), (5795, 9972), (6954, 8310)]