78326820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:235

約数の個数: 288

約数和(自身を含む): 297198720

約数和(自身を除く): 218871900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 17, 18, 20, 22, 26, 30, 33, 34, 36, 39, 44, 45, 51, 52, 55, 60, 65, 66, 68, 78, 85, 90, 99, 102, 110, 117, 130, 132, 143, 153, 156, 165, 170, 179, 180, 187, 195, 198, 204, 220, 221, 234, 255, 260, 286, 306, 330, 340, 358, 374, 390, 396, 429, 442, 468, 495, 510, 537, 561, 572, 585, 612, 660, 663, 715, 716, 748, 765, 780, 858, 884, 895, 935, 990, 1020, 1074, 1105, 1122, 1170, 1287, 1326, 1430, 1530, 1611, 1683, 1716, 1790, 1870, 1969, 1980, 1989, 2145, 2148, 2210, 2244, 2327, 2340, 2431, 2574, 2652, 2685, 2805, 2860, 3043, 3060, 3222, 3315, 3366, 3580, 3740, 3938, 3978, 4290, 4420, 4654, 4862, 5148, 5370, 5610, 5907, 6086, 6435, 6444, 6630, 6732, 6981, 7293, 7876, 7956, 8055, 8415, 8580, 9129, 9308, 9724, 9845, 9945, 10740, 11220, 11635, 11814, 12155, 12172, 12870, 13260, 13962, 14586, 15215, 16110, 16830, 17721, 18258, 19690, 19890, 20943, 21879, 23270, 23628, 24310, 25597, 25740, 27387, 27924, 29172, 29535, 30430, 32220, 33473, 33660, 34905, 35442, 36465, 36516, 39380, 39559, 39780, 41886, 43758, 45645, 46540, 48620, 51194, 54774, 59070, 60860, 66946, 69810, 70884, 72930, 76791, 79118, 83772, 87516, 88605, 91290, 100419, 102388, 104715, 109395, 109548, 118140, 118677, 127985, 133892, 136935, 139620, 145860, 153582, 158236, 167365, 177210, 182580, 197795, 200838, 209430, 218790, 230373, 237354, 255970, 273870, 301257, 307164, 334730, 354420, 356031, 383955, 395590, 401676, 418860, 435149, 437580, 460746, 474708, 502095, 511940, 547740, 593385, 602514, 669460, 712062, 767910, 791180, 870298, 921492, 1004190, 1151865, 1186770, 1205028, 1305447, 1424124, 1506285, 1535820, 1740596, 1780155, 2008380, 2175745, 2303730, 2373540, 2610894, 3012570, 3560310, 3916341, 4351490, 4607460, 5221788, 6025140, 6527235, 7120620, 7832682, 8702980, 13054470, 15665364, 19581705, 26108940, 39163410, 78326820]

約数ペア:

[(1, 78326820), (2, 39163410), (3, 26108940), (4, 19581705), (5, 15665364), (6, 13054470), (9, 8702980), (10, 7832682), (11, 7120620), (12, 6527235), (13, 6025140), (15, 5221788), (17, 4607460), (18, 4351490), (20, 3916341), (22, 3560310), (26, 3012570), (30, 2610894), (33, 2373540), (34, 2303730), (36, 2175745), (39, 2008380), (44, 1780155), (45, 1740596), (51, 1535820), (52, 1506285), (55, 1424124), (60, 1305447), (65, 1205028), (66, 1186770), (68, 1151865), (78, 1004190), (85, 921492), (90, 870298), (99, 791180), (102, 767910), (110, 712062), (117, 669460), (130, 602514), (132, 593385), (143, 547740), (153, 511940), (156, 502095), (165, 474708), (170, 460746), (179, 437580), (180, 435149), (187, 418860), (195, 401676), (198, 395590), (204, 383955), (220, 356031), (221, 354420), (234, 334730), (255, 307164), (260, 301257), (286, 273870), (306, 255970), (330, 237354), (340, 230373), (358, 218790), (374, 209430), (390, 200838), (396, 197795), (429, 182580), (442, 177210), (468, 167365), (495, 158236), (510, 153582), (537, 145860), (561, 139620), (572, 136935), (585, 133892), (612, 127985), (660, 118677), (663, 118140), (715, 109548), (716, 109395), (748, 104715), (765, 102388), (780, 100419), (858, 91290), (884, 88605), (895, 87516), (935, 83772), (990, 79118), (1020, 76791), (1074, 72930), (1105, 70884), (1122, 69810), (1170, 66946), (1287, 60860), (1326, 59070), (1430, 54774), (1530, 51194), (1611, 48620), (1683, 46540), (1716, 45645), (1790, 43758), (1870, 41886), (1969, 39780), (1980, 39559), (1989, 39380), (2145, 36516), (2148, 36465), (2210, 35442), (2244, 34905), (2327, 33660), (2340, 33473), (2431, 32220), (2574, 30430), (2652, 29535), (2685, 29172), (2805, 27924), (2860, 27387), (3043, 25740), (3060, 25597), (3222, 24310), (3315, 23628), (3366, 23270), (3580, 21879), (3740, 20943), (3938, 19890), (3978, 19690), (4290, 18258), (4420, 17721), (4654, 16830), (4862, 16110), (5148, 15215), (5370, 14586), (5610, 13962), (5907, 13260), (6086, 12870), (6435, 12172), (6444, 12155), (6630, 11814), (6732, 11635), (6981, 11220), (7293, 10740), (7876, 9945), (7956, 9845), (8055, 9724), (8415, 9308), (8580, 9129)]