389556180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{601}}^1$

素因数の和:906

約数の個数: 144

約数和(自身を含む): 1279269264

約数和(自身を除く): 889713084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 277, 390, 468, 554, 585, 601, 780, 831, 1108, 1170, 1202, 1385, 1662, 1803, 2340, 2404, 2493, 2770, 3005, 3324, 3601, 3606, 4155, 4986, 5409, 5540, 6010, 7202, 7212, 7813, 8310, 9015, 9972, 10803, 10818, 12020, 12465, 14404, 15626, 16620, 18005, 18030, 21606, 21636, 23439, 24930, 27045, 31252, 32409, 36010, 36060, 39065, 43212, 46878, 49860, 54015, 54090, 64818, 70317, 72020, 78130, 93756, 108030, 108180, 117195, 129636, 140634, 156260, 162045, 166477, 216060, 234390, 281268, 324090, 332954, 351585, 468780, 499431, 648180, 665908, 703170, 832385, 998862, 1406340, 1498293, 1664770, 1997724, 2164201, 2497155, 2996586, 3329540, 4328402, 4994310, 5993172, 6492603, 7491465, 8656804, 9988620, 10821005, 12985206, 14982930, 19477809, 21642010, 25970412, 29965860, 32463015, 38955618, 43284020, 64926030, 77911236, 97389045, 129852060, 194778090, 389556180]

約数ペア:

[(1, 389556180), (2, 194778090), (3, 129852060), (4, 97389045), (5, 77911236), (6, 64926030), (9, 43284020), (10, 38955618), (12, 32463015), (13, 29965860), (15, 25970412), (18, 21642010), (20, 19477809), (26, 14982930), (30, 12985206), (36, 10821005), (39, 9988620), (45, 8656804), (52, 7491465), (60, 6492603), (65, 5993172), (78, 4994310), (90, 4328402), (117, 3329540), (130, 2996586), (156, 2497155), (180, 2164201), (195, 1997724), (234, 1664770), (260, 1498293), (277, 1406340), (390, 998862), (468, 832385), (554, 703170), (585, 665908), (601, 648180), (780, 499431), (831, 468780), (1108, 351585), (1170, 332954), (1202, 324090), (1385, 281268), (1662, 234390), (1803, 216060), (2340, 166477), (2404, 162045), (2493, 156260), (2770, 140634), (3005, 129636), (3324, 117195), (3601, 108180), (3606, 108030), (4155, 93756), (4986, 78130), (5409, 72020), (5540, 70317), (6010, 64818), (7202, 54090), (7212, 54015), (7813, 49860), (8310, 46878), (9015, 43212), (9972, 39065), (10803, 36060), (10818, 36010), (12020, 32409), (12465, 31252), (14404, 27045), (15626, 24930), (16620, 23439), (18005, 21636), (18030, 21606)]