61438650

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:685

約数の個数: 144

約数和(自身を含む): 191175264

約数和(自身を除く): 129736614

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 39, 42, 49, 50, 65, 70, 75, 78, 91, 98, 105, 130, 147, 150, 175, 182, 195, 210, 245, 273, 294, 325, 350, 390, 455, 490, 525, 546, 637, 643, 650, 735, 910, 975, 1050, 1225, 1274, 1286, 1365, 1470, 1911, 1929, 1950, 2275, 2450, 2730, 3185, 3215, 3675, 3822, 3858, 4501, 4550, 6370, 6430, 6825, 7350, 8359, 9002, 9555, 9645, 13503, 13650, 15925, 16075, 16718, 19110, 19290, 22505, 25077, 27006, 31507, 31850, 32150, 41795, 45010, 47775, 48225, 50154, 58513, 63014, 67515, 83590, 94521, 95550, 96450, 112525, 117026, 125385, 135030, 157535, 175539, 189042, 208975, 225050, 250770, 292565, 315070, 337575, 351078, 409591, 417950, 472605, 585130, 626925, 675150, 787675, 819182, 877695, 945210, 1228773, 1253850, 1462825, 1575350, 1755390, 2047955, 2363025, 2457546, 2925650, 4095910, 4388475, 4726050, 6143865, 8776950, 10239775, 12287730, 20479550, 30719325, 61438650]

約数ペア:

[(1, 61438650), (2, 30719325), (3, 20479550), (5, 12287730), (6, 10239775), (7, 8776950), (10, 6143865), (13, 4726050), (14, 4388475), (15, 4095910), (21, 2925650), (25, 2457546), (26, 2363025), (30, 2047955), (35, 1755390), (39, 1575350), (42, 1462825), (49, 1253850), (50, 1228773), (65, 945210), (70, 877695), (75, 819182), (78, 787675), (91, 675150), (98, 626925), (105, 585130), (130, 472605), (147, 417950), (150, 409591), (175, 351078), (182, 337575), (195, 315070), (210, 292565), (245, 250770), (273, 225050), (294, 208975), (325, 189042), (350, 175539), (390, 157535), (455, 135030), (490, 125385), (525, 117026), (546, 112525), (637, 96450), (643, 95550), (650, 94521), (735, 83590), (910, 67515), (975, 63014), (1050, 58513), (1225, 50154), (1274, 48225), (1286, 47775), (1365, 45010), (1470, 41795), (1911, 32150), (1929, 31850), (1950, 31507), (2275, 27006), (2450, 25077), (2730, 22505), (3185, 19290), (3215, 19110), (3675, 16718), (3822, 16075), (3858, 15925), (4501, 13650), (4550, 13503), (6370, 9645), (6430, 9555), (6825, 9002), (7350, 8359)]