31869450

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 92348256

約数和(自身を除く): 60478806

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 43, 45, 50, 54, 61, 75, 81, 86, 90, 122, 129, 135, 150, 162, 183, 215, 225, 243, 258, 270, 305, 366, 387, 405, 430, 450, 486, 549, 610, 645, 675, 774, 810, 915, 1075, 1098, 1161, 1215, 1290, 1350, 1525, 1647, 1830, 1935, 2025, 2150, 2322, 2430, 2623, 2745, 3050, 3225, 3294, 3483, 3870, 4050, 4575, 4941, 5246, 5490, 5805, 6075, 6450, 6966, 7869, 8235, 9150, 9675, 9882, 10449, 11610, 12150, 13115, 13725, 14823, 15738, 16470, 17415, 19350, 20898, 23607, 24705, 26230, 27450, 29025, 29646, 34830, 39345, 41175, 47214, 49410, 52245, 58050, 65575, 70821, 74115, 78690, 82350, 87075, 104490, 118035, 123525, 131150, 141642, 148230, 174150, 196725, 212463, 236070, 247050, 261225, 354105, 370575, 393450, 424926, 522450, 590175, 637389, 708210, 741150, 1062315, 1180350, 1274778, 1770525, 2124630, 3186945, 3541050, 5311575, 6373890, 10623150, 15934725, 31869450]

約数ペア:

[(1, 31869450), (2, 15934725), (3, 10623150), (5, 6373890), (6, 5311575), (9, 3541050), (10, 3186945), (15, 2124630), (18, 1770525), (25, 1274778), (27, 1180350), (30, 1062315), (43, 741150), (45, 708210), (50, 637389), (54, 590175), (61, 522450), (75, 424926), (81, 393450), (86, 370575), (90, 354105), (122, 261225), (129, 247050), (135, 236070), (150, 212463), (162, 196725), (183, 174150), (215, 148230), (225, 141642), (243, 131150), (258, 123525), (270, 118035), (305, 104490), (366, 87075), (387, 82350), (405, 78690), (430, 74115), (450, 70821), (486, 65575), (549, 58050), (610, 52245), (645, 49410), (675, 47214), (774, 41175), (810, 39345), (915, 34830), (1075, 29646), (1098, 29025), (1161, 27450), (1215, 26230), (1290, 24705), (1350, 23607), (1525, 20898), (1647, 19350), (1830, 17415), (1935, 16470), (2025, 15738), (2150, 14823), (2322, 13725), (2430, 13115), (2623, 12150), (2745, 11610), (3050, 10449), (3225, 9882), (3294, 9675), (3483, 9150), (3870, 8235), (4050, 7869), (4575, 6966), (4941, 6450), (5246, 6075), (5490, 5805)]