16403940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:346

約数の個数: 144

約数和(自身を含む): 58286592

約数和(自身を除く): 41882652

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, 277, 282, 315, 329, 420, 423, 470, 554, 564, 630, 658, 705, 831, 846, 940, 987, 1108, 1260, 1316, 1385, 1410, 1645, 1662, 1692, 1939, 1974, 2115, 2493, 2770, 2820, 2961, 3290, 3324, 3878, 3948, 4155, 4230, 4935, 4986, 5540, 5817, 5922, 6580, 7756, 8310, 8460, 9695, 9870, 9972, 11634, 11844, 12465, 13019, 14805, 16620, 17451, 19390, 19740, 23268, 24930, 26038, 29085, 29610, 34902, 38780, 39057, 49860, 52076, 58170, 59220, 65095, 69804, 78114, 87255, 91133, 116340, 117171, 130190, 156228, 174510, 182266, 195285, 234342, 260380, 273399, 349020, 364532, 390570, 455665, 468684, 546798, 585855, 781140, 820197, 911330, 1093596, 1171710, 1366995, 1640394, 1822660, 2343420, 2733990, 3280788, 4100985, 5467980, 8201970, 16403940]

約数ペア:

[(1, 16403940), (2, 8201970), (3, 5467980), (4, 4100985), (5, 3280788), (6, 2733990), (7, 2343420), (9, 1822660), (10, 1640394), (12, 1366995), (14, 1171710), (15, 1093596), (18, 911330), (20, 820197), (21, 781140), (28, 585855), (30, 546798), (35, 468684), (36, 455665), (42, 390570), (45, 364532), (47, 349020), (60, 273399), (63, 260380), (70, 234342), (84, 195285), (90, 182266), (94, 174510), (105, 156228), (126, 130190), (140, 117171), (141, 116340), (180, 91133), (188, 87255), (210, 78114), (235, 69804), (252, 65095), (277, 59220), (282, 58170), (315, 52076), (329, 49860), (420, 39057), (423, 38780), (470, 34902), (554, 29610), (564, 29085), (630, 26038), (658, 24930), (705, 23268), (831, 19740), (846, 19390), (940, 17451), (987, 16620), (1108, 14805), (1260, 13019), (1316, 12465), (1385, 11844), (1410, 11634), (1645, 9972), (1662, 9870), (1692, 9695), (1939, 8460), (1974, 8310), (2115, 7756), (2493, 6580), (2770, 5922), (2820, 5817), (2961, 5540), (3290, 4986), (3324, 4935), (3878, 4230), (3948, 4155)]