29921580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1$

素因数の和:720

約数の個数: 144

約数和(自身を含む): 103041120

約数和(自身を除く): 73119540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 673, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1346, 1482, 1710, 2019, 2223, 2340, 2470, 2692, 2964, 3365, 3420, 3705, 4038, 4446, 4940, 6057, 6730, 7410, 8076, 8749, 8892, 10095, 11115, 12114, 12787, 13460, 14820, 17498, 20190, 22230, 24228, 25574, 26247, 30285, 34996, 38361, 40380, 43745, 44460, 51148, 52494, 60570, 63935, 76722, 78741, 87490, 104988, 115083, 121140, 127870, 131235, 153444, 157482, 166231, 174980, 191805, 230166, 255740, 262470, 314964, 332462, 383610, 393705, 460332, 498693, 524940, 575415, 664924, 767220, 787410, 831155, 997386, 1150830, 1496079, 1574820, 1662310, 1994772, 2301660, 2493465, 2992158, 3324620, 4986930, 5984316, 7480395, 9973860, 14960790, 29921580]

約数ペア:

[(1, 29921580), (2, 14960790), (3, 9973860), (4, 7480395), (5, 5984316), (6, 4986930), (9, 3324620), (10, 2992158), (12, 2493465), (13, 2301660), (15, 1994772), (18, 1662310), (19, 1574820), (20, 1496079), (26, 1150830), (30, 997386), (36, 831155), (38, 787410), (39, 767220), (45, 664924), (52, 575415), (57, 524940), (60, 498693), (65, 460332), (76, 393705), (78, 383610), (90, 332462), (95, 314964), (114, 262470), (117, 255740), (130, 230166), (156, 191805), (171, 174980), (180, 166231), (190, 157482), (195, 153444), (228, 131235), (234, 127870), (247, 121140), (260, 115083), (285, 104988), (342, 87490), (380, 78741), (390, 76722), (468, 63935), (494, 60570), (570, 52494), (585, 51148), (673, 44460), (684, 43745), (741, 40380), (780, 38361), (855, 34996), (988, 30285), (1140, 26247), (1170, 25574), (1235, 24228), (1346, 22230), (1482, 20190), (1710, 17498), (2019, 14820), (2223, 13460), (2340, 12787), (2470, 12114), (2692, 11115), (2964, 10095), (3365, 8892), (3420, 8749), (3705, 8076), (4038, 7410), (4446, 6730), (4940, 6057)]