66981840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:469

約数の個数: 160

約数和(自身を含む): 225045120

約数和(自身を除く): 158063280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 37, 38, 40, 48, 57, 60, 74, 76, 80, 95, 111, 114, 120, 148, 152, 185, 190, 222, 228, 240, 285, 296, 304, 370, 380, 397, 444, 456, 555, 570, 592, 703, 740, 760, 794, 888, 912, 1110, 1140, 1191, 1406, 1480, 1520, 1588, 1776, 1985, 2109, 2220, 2280, 2382, 2812, 2960, 3176, 3515, 3970, 4218, 4440, 4560, 4764, 5624, 5955, 6352, 7030, 7543, 7940, 8436, 8880, 9528, 10545, 11248, 11910, 14060, 14689, 15086, 15880, 16872, 19056, 21090, 22629, 23820, 28120, 29378, 30172, 31760, 33744, 37715, 42180, 44067, 45258, 47640, 56240, 58756, 60344, 73445, 75430, 84360, 88134, 90516, 95280, 113145, 117512, 120688, 146890, 150860, 168720, 176268, 181032, 220335, 226290, 235024, 279091, 293780, 301720, 352536, 362064, 440670, 452580, 558182, 587560, 603440, 705072, 837273, 881340, 905160, 1116364, 1175120, 1395455, 1674546, 1762680, 1810320, 2232728, 2790910, 3349092, 3525360, 4186365, 4465456, 5581820, 6698184, 8372730, 11163640, 13396368, 16745460, 22327280, 33490920, 66981840]

約数ペア:

[(1, 66981840), (2, 33490920), (3, 22327280), (4, 16745460), (5, 13396368), (6, 11163640), (8, 8372730), (10, 6698184), (12, 5581820), (15, 4465456), (16, 4186365), (19, 3525360), (20, 3349092), (24, 2790910), (30, 2232728), (37, 1810320), (38, 1762680), (40, 1674546), (48, 1395455), (57, 1175120), (60, 1116364), (74, 905160), (76, 881340), (80, 837273), (95, 705072), (111, 603440), (114, 587560), (120, 558182), (148, 452580), (152, 440670), (185, 362064), (190, 352536), (222, 301720), (228, 293780), (240, 279091), (285, 235024), (296, 226290), (304, 220335), (370, 181032), (380, 176268), (397, 168720), (444, 150860), (456, 146890), (555, 120688), (570, 117512), (592, 113145), (703, 95280), (740, 90516), (760, 88134), (794, 84360), (888, 75430), (912, 73445), (1110, 60344), (1140, 58756), (1191, 56240), (1406, 47640), (1480, 45258), (1520, 44067), (1588, 42180), (1776, 37715), (1985, 33744), (2109, 31760), (2220, 30172), (2280, 29378), (2382, 28120), (2812, 23820), (2960, 22629), (3176, 21090), (3515, 19056), (3970, 16872), (4218, 15880), (4440, 15086), (4560, 14689), (4764, 14060), (5624, 11910), (5955, 11248), (6352, 10545), (7030, 9528), (7543, 8880), (7940, 8436)]