28341720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:466

約数の個数: 192

約数和(自身を含む): 106647840

約数和(自身を除く): 78306120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 51, 55, 60, 66, 68, 72, 85, 88, 90, 99, 102, 110, 120, 132, 136, 153, 165, 170, 180, 187, 198, 204, 220, 255, 264, 306, 330, 340, 360, 374, 396, 408, 421, 440, 495, 510, 561, 612, 660, 680, 748, 765, 792, 842, 935, 990, 1020, 1122, 1224, 1263, 1320, 1496, 1530, 1683, 1684, 1870, 1980, 2040, 2105, 2244, 2526, 2805, 3060, 3366, 3368, 3740, 3789, 3960, 4210, 4488, 4631, 5052, 5610, 6120, 6315, 6732, 7157, 7480, 7578, 8415, 8420, 9262, 10104, 11220, 12630, 13464, 13893, 14314, 15156, 16830, 16840, 18524, 18945, 21471, 22440, 23155, 25260, 27786, 28628, 30312, 33660, 35785, 37048, 37890, 41679, 42942, 46310, 50520, 55572, 57256, 64413, 67320, 69465, 71570, 75780, 78727, 83358, 85884, 92620, 107355, 111144, 128826, 138930, 143140, 151560, 157454, 166716, 171768, 185240, 208395, 214710, 236181, 257652, 277860, 286280, 314908, 322065, 333432, 393635, 416790, 429420, 472362, 515304, 555720, 629816, 644130, 708543, 787270, 833580, 858840, 944724, 1180905, 1288260, 1417086, 1574540, 1667160, 1889448, 2361810, 2576520, 2834172, 3149080, 3542715, 4723620, 5668344, 7085430, 9447240, 14170860, 28341720]

約数ペア:

[(1, 28341720), (2, 14170860), (3, 9447240), (4, 7085430), (5, 5668344), (6, 4723620), (8, 3542715), (9, 3149080), (10, 2834172), (11, 2576520), (12, 2361810), (15, 1889448), (17, 1667160), (18, 1574540), (20, 1417086), (22, 1288260), (24, 1180905), (30, 944724), (33, 858840), (34, 833580), (36, 787270), (40, 708543), (44, 644130), (45, 629816), (51, 555720), (55, 515304), (60, 472362), (66, 429420), (68, 416790), (72, 393635), (85, 333432), (88, 322065), (90, 314908), (99, 286280), (102, 277860), (110, 257652), (120, 236181), (132, 214710), (136, 208395), (153, 185240), (165, 171768), (170, 166716), (180, 157454), (187, 151560), (198, 143140), (204, 138930), (220, 128826), (255, 111144), (264, 107355), (306, 92620), (330, 85884), (340, 83358), (360, 78727), (374, 75780), (396, 71570), (408, 69465), (421, 67320), (440, 64413), (495, 57256), (510, 55572), (561, 50520), (612, 46310), (660, 42942), (680, 41679), (748, 37890), (765, 37048), (792, 35785), (842, 33660), (935, 30312), (990, 28628), (1020, 27786), (1122, 25260), (1224, 23155), (1263, 22440), (1320, 21471), (1496, 18945), (1530, 18524), (1683, 16840), (1684, 16830), (1870, 15156), (1980, 14314), (2040, 13893), (2105, 13464), (2244, 12630), (2526, 11220), (2805, 10104), (3060, 9262), (3366, 8420), (3368, 8415), (3740, 7578), (3789, 7480), (3960, 7157), (4210, 6732), (4488, 6315), (4631, 6120), (5052, 5610)]