881193780

素因数分解:

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

素因数の和:315

約数の個数: 216

約数和(自身を含む): 2875751424

約数和(自身を除く): 1994557644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 71, 76, 90, 95, 114, 142, 171, 180, 190, 191, 213, 228, 284, 285, 342, 355, 361, 380, 382, 426, 570, 573, 639, 684, 710, 722, 764, 852, 855, 955, 1065, 1083, 1140, 1146, 1278, 1349, 1420, 1444, 1710, 1719, 1805, 1910, 2130, 2166, 2292, 2556, 2698, 2865, 3195, 3249, 3420, 3438, 3610, 3629, 3820, 4047, 4260, 4332, 5396, 5415, 5730, 6390, 6498, 6745, 6876, 7220, 7258, 8094, 8595, 10830, 10887, 11460, 12141, 12780, 12996, 13490, 13561, 14516, 16188, 16245, 17190, 18145, 20235, 21660, 21774, 24282, 25631, 26980, 27122, 32490, 32661, 34380, 36290, 40470, 40683, 43548, 48564, 51262, 54244, 54435, 60705, 64980, 65322, 67805, 68951, 72580, 76893, 80940, 81366, 102524, 108870, 121410, 122049, 128155, 130644, 135610, 137902, 153786, 162732, 163305, 203415, 206853, 217740, 230679, 242820, 244098, 256310, 257659, 271220, 275804, 307572, 326610, 344755, 384465, 406830, 413706, 461358, 488196, 512620, 515318, 610245, 620559, 653220, 689510, 768930, 772977, 813660, 827412, 922716, 1030636, 1034265, 1153395, 1220490, 1241118, 1288295, 1379020, 1537860, 1545954, 2068530, 2306790, 2318931, 2440980, 2482236, 2576590, 3091908, 3102795, 3864885, 4137060, 4613580, 4637862, 4895521, 5153180, 6205590, 7729770, 9275724, 9791042, 11594655, 12411180, 14686563, 15459540, 19582084, 23189310, 24477605, 29373126, 44059689, 46378620, 48955210, 58746252, 73432815, 88119378, 97910420, 146865630, 176238756, 220298445, 293731260, 440596890, 881193780]

約数ペア:

[(1, 881193780), (2, 440596890), (3, 293731260), (4, 220298445), (5, 176238756), (6, 146865630), (9, 97910420), (10, 88119378), (12, 73432815), (15, 58746252), (18, 48955210), (19, 46378620), (20, 44059689), (30, 29373126), (36, 24477605), (38, 23189310), (45, 19582084), (57, 15459540), (60, 14686563), (71, 12411180), (76, 11594655), (90, 9791042), (95, 9275724), (114, 7729770), (142, 6205590), (171, 5153180), (180, 4895521), (190, 4637862), (191, 4613580), (213, 4137060), (228, 3864885), (284, 3102795), (285, 3091908), (342, 2576590), (355, 2482236), (361, 2440980), (380, 2318931), (382, 2306790), (426, 2068530), (570, 1545954), (573, 1537860), (639, 1379020), (684, 1288295), (710, 1241118), (722, 1220490), (764, 1153395), (852, 1034265), (855, 1030636), (955, 922716), (1065, 827412), (1083, 813660), (1140, 772977), (1146, 768930), (1278, 689510), (1349, 653220), (1420, 620559), (1444, 610245), (1710, 515318), (1719, 512620), (1805, 488196), (1910, 461358), (2130, 413706), (2166, 406830), (2292, 384465), (2556, 344755), (2698, 326610), (2865, 307572), (3195, 275804), (3249, 271220), (3420, 257659), (3438, 256310), (3610, 244098), (3629, 242820), (3820, 230679), (4047, 217740), (4260, 206853), (4332, 203415), (5396, 163305), (5415, 162732), (5730, 153786), (6390, 137902), (6498, 135610), (6745, 130644), (6876, 128155), (7220, 122049), (7258, 121410), (8094, 108870), (8595, 102524), (10830, 81366), (10887, 80940), (11460, 76893), (12141, 72580), (12780, 68951), (12996, 67805), (13490, 65322), (13561, 64980), (14516, 60705), (16188, 54435), (16245, 54244), (17190, 51262), (18145, 48564), (20235, 43548), (21660, 40683), (21774, 40470), (24282, 36290), (25631, 34380), (26980, 32661), (27122, 32490)]