30919080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:295

約数の個数: 128

約数和(自身を含む): 99532800

約数和(自身を除く): 68613720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 71, 76, 95, 114, 120, 142, 152, 190, 191, 213, 228, 284, 285, 355, 380, 382, 426, 456, 568, 570, 573, 710, 760, 764, 852, 955, 1065, 1140, 1146, 1349, 1420, 1528, 1704, 1910, 2130, 2280, 2292, 2698, 2840, 2865, 3629, 3820, 4047, 4260, 4584, 5396, 5730, 6745, 7258, 7640, 8094, 8520, 10792, 10887, 11460, 13490, 13561, 14516, 16188, 18145, 20235, 21774, 22920, 26980, 27122, 29032, 32376, 36290, 40470, 40683, 43548, 53960, 54244, 54435, 67805, 72580, 80940, 81366, 87096, 108488, 108870, 135610, 145160, 161880, 162732, 203415, 217740, 257659, 271220, 325464, 406830, 435480, 515318, 542440, 772977, 813660, 1030636, 1288295, 1545954, 1627320, 2061272, 2576590, 3091908, 3864885, 5153180, 6183816, 7729770, 10306360, 15459540, 30919080]

約数ペア:

[(1, 30919080), (2, 15459540), (3, 10306360), (4, 7729770), (5, 6183816), (6, 5153180), (8, 3864885), (10, 3091908), (12, 2576590), (15, 2061272), (19, 1627320), (20, 1545954), (24, 1288295), (30, 1030636), (38, 813660), (40, 772977), (57, 542440), (60, 515318), (71, 435480), (76, 406830), (95, 325464), (114, 271220), (120, 257659), (142, 217740), (152, 203415), (190, 162732), (191, 161880), (213, 145160), (228, 135610), (284, 108870), (285, 108488), (355, 87096), (380, 81366), (382, 80940), (426, 72580), (456, 67805), (568, 54435), (570, 54244), (573, 53960), (710, 43548), (760, 40683), (764, 40470), (852, 36290), (955, 32376), (1065, 29032), (1140, 27122), (1146, 26980), (1349, 22920), (1420, 21774), (1528, 20235), (1704, 18145), (1910, 16188), (2130, 14516), (2280, 13561), (2292, 13490), (2698, 11460), (2840, 10887), (2865, 10792), (3629, 8520), (3820, 8094), (4047, 7640), (4260, 7258), (4584, 6745), (5396, 5730)]