83440980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1409}}^1$

素因数の和:1478

約数の個数: 144

約数和(自身を含む): 295626240

約数和(自身を除く): 212185260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 470, 564, 630, 658, 705, 846, 940, 987, 1260, 1316, 1409, 1410, 1645, 1692, 1974, 2115, 2818, 2820, 2961, 3290, 3948, 4227, 4230, 4935, 5636, 5922, 6580, 7045, 8454, 8460, 9863, 9870, 11844, 12681, 14090, 14805, 16908, 19726, 19740, 21135, 25362, 28180, 29589, 29610, 39452, 42270, 49315, 50724, 59178, 59220, 63405, 66223, 84540, 88767, 98630, 118356, 126810, 132446, 147945, 177534, 197260, 198669, 253620, 264892, 295890, 331115, 355068, 397338, 443835, 463561, 591780, 596007, 662230, 794676, 887670, 927122, 993345, 1192014, 1324460, 1390683, 1775340, 1854244, 1986690, 2317805, 2384028, 2781366, 2980035, 3973380, 4172049, 4635610, 5562732, 5960070, 6953415, 8344098, 9271220, 11920140, 13906830, 16688196, 20860245, 27813660, 41720490, 83440980]

約数ペア:

[(1, 83440980), (2, 41720490), (3, 27813660), (4, 20860245), (5, 16688196), (6, 13906830), (7, 11920140), (9, 9271220), (10, 8344098), (12, 6953415), (14, 5960070), (15, 5562732), (18, 4635610), (20, 4172049), (21, 3973380), (28, 2980035), (30, 2781366), (35, 2384028), (36, 2317805), (42, 1986690), (45, 1854244), (47, 1775340), (60, 1390683), (63, 1324460), (70, 1192014), (84, 993345), (90, 927122), (94, 887670), (105, 794676), (126, 662230), (140, 596007), (141, 591780), (180, 463561), (188, 443835), (210, 397338), (235, 355068), (252, 331115), (282, 295890), (315, 264892), (329, 253620), (420, 198669), (423, 197260), (470, 177534), (564, 147945), (630, 132446), (658, 126810), (705, 118356), (846, 98630), (940, 88767), (987, 84540), (1260, 66223), (1316, 63405), (1409, 59220), (1410, 59178), (1645, 50724), (1692, 49315), (1974, 42270), (2115, 39452), (2818, 29610), (2820, 29589), (2961, 28180), (3290, 25362), (3948, 21135), (4227, 19740), (4230, 19726), (4935, 16908), (5636, 14805), (5922, 14090), (6580, 12681), (7045, 11844), (8454, 9870), (8460, 9863)]