72800280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{4127}}^1$

素因数の和:4158

約数の個数: 144

約数和(自身を含む): 275296320

約数和(自身を除く): 202496040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4127, 4410, 5880, 8254, 8820, 12381, 16508, 17640, 20635, 24762, 28889, 33016, 37143, 41270, 49524, 57778, 61905, 74286, 82540, 86667, 99048, 115556, 123810, 144445, 148572, 165080, 173334, 185715, 202223, 231112, 247620, 260001, 288890, 297144, 346668, 371430, 404446, 433335, 495240, 520002, 577780, 606669, 693336, 742860, 808892, 866670, 1011115, 1040004, 1155560, 1213338, 1300005, 1485720, 1617784, 1733340, 1820007, 2022230, 2080008, 2426676, 2600010, 3033345, 3466680, 3640014, 4044460, 4853352, 5200020, 6066690, 7280028, 8088920, 9100035, 10400040, 12133380, 14560056, 18200070, 24266760, 36400140, 72800280]

約数ペア:

[(1, 72800280), (2, 36400140), (3, 24266760), (4, 18200070), (5, 14560056), (6, 12133380), (7, 10400040), (8, 9100035), (9, 8088920), (10, 7280028), (12, 6066690), (14, 5200020), (15, 4853352), (18, 4044460), (20, 3640014), (21, 3466680), (24, 3033345), (28, 2600010), (30, 2426676), (35, 2080008), (36, 2022230), (40, 1820007), (42, 1733340), (45, 1617784), (49, 1485720), (56, 1300005), (60, 1213338), (63, 1155560), (70, 1040004), (72, 1011115), (84, 866670), (90, 808892), (98, 742860), (105, 693336), (120, 606669), (126, 577780), (140, 520002), (147, 495240), (168, 433335), (180, 404446), (196, 371430), (210, 346668), (245, 297144), (252, 288890), (280, 260001), (294, 247620), (315, 231112), (360, 202223), (392, 185715), (420, 173334), (441, 165080), (490, 148572), (504, 144445), (588, 123810), (630, 115556), (735, 99048), (840, 86667), (882, 82540), (980, 74286), (1176, 61905), (1260, 57778), (1470, 49524), (1764, 41270), (1960, 37143), (2205, 33016), (2520, 28889), (2940, 24762), (3528, 20635), (4127, 17640), (4410, 16508), (5880, 12381), (8254, 8820)]