17876820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 56814912

約数和(自身を除く): 38938092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 43, 52, 60, 65, 78, 82, 86, 123, 129, 130, 156, 164, 169, 172, 195, 205, 215, 246, 258, 260, 338, 390, 410, 430, 492, 507, 516, 533, 559, 615, 645, 676, 780, 820, 845, 860, 1014, 1066, 1118, 1230, 1290, 1599, 1677, 1690, 1763, 2028, 2132, 2236, 2460, 2535, 2580, 2665, 2795, 3198, 3354, 3380, 3526, 5070, 5289, 5330, 5590, 6396, 6708, 6929, 7052, 7267, 7995, 8385, 8815, 10140, 10578, 10660, 11180, 13858, 14534, 15990, 16770, 17630, 20787, 21156, 21801, 22919, 26445, 27716, 29068, 31980, 33540, 34645, 35260, 36335, 41574, 43602, 45838, 52890, 68757, 69290, 72670, 83148, 87204, 91676, 103935, 105780, 109005, 114595, 137514, 138580, 145340, 207870, 218010, 229190, 275028, 297947, 343785, 415740, 436020, 458380, 595894, 687570, 893841, 1191788, 1375140, 1489735, 1787682, 2979470, 3575364, 4469205, 5958940, 8938410, 17876820]

約数ペア:

[(1, 17876820), (2, 8938410), (3, 5958940), (4, 4469205), (5, 3575364), (6, 2979470), (10, 1787682), (12, 1489735), (13, 1375140), (15, 1191788), (20, 893841), (26, 687570), (30, 595894), (39, 458380), (41, 436020), (43, 415740), (52, 343785), (60, 297947), (65, 275028), (78, 229190), (82, 218010), (86, 207870), (123, 145340), (129, 138580), (130, 137514), (156, 114595), (164, 109005), (169, 105780), (172, 103935), (195, 91676), (205, 87204), (215, 83148), (246, 72670), (258, 69290), (260, 68757), (338, 52890), (390, 45838), (410, 43602), (430, 41574), (492, 36335), (507, 35260), (516, 34645), (533, 33540), (559, 31980), (615, 29068), (645, 27716), (676, 26445), (780, 22919), (820, 21801), (845, 21156), (860, 20787), (1014, 17630), (1066, 16770), (1118, 15990), (1230, 14534), (1290, 13858), (1599, 11180), (1677, 10660), (1690, 10578), (1763, 10140), (2028, 8815), (2132, 8385), (2236, 7995), (2460, 7267), (2535, 7052), (2580, 6929), (2665, 6708), (2795, 6396), (3198, 5590), (3354, 5330), (3380, 5289), (3526, 5070)]