78957180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:146

約数の個数: 240

約数和(自身を含む): 272232576

約数和(自身を除く): 193275396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 47, 51, 54, 60, 61, 68, 81, 85, 90, 94, 102, 108, 122, 135, 141, 153, 162, 170, 180, 183, 188, 204, 235, 244, 255, 270, 282, 305, 306, 324, 340, 366, 405, 423, 459, 470, 510, 540, 549, 564, 610, 612, 705, 732, 765, 799, 810, 846, 915, 918, 940, 1020, 1037, 1098, 1220, 1269, 1377, 1410, 1530, 1598, 1620, 1647, 1692, 1830, 1836, 2074, 2115, 2196, 2295, 2397, 2538, 2745, 2754, 2820, 2867, 3060, 3111, 3196, 3294, 3660, 3807, 3995, 4148, 4230, 4590, 4794, 4941, 5076, 5185, 5490, 5508, 5734, 6222, 6345, 6588, 6885, 7191, 7614, 7990, 8235, 8460, 8601, 9180, 9333, 9588, 9882, 10370, 10980, 11468, 11985, 12444, 12690, 13770, 14335, 14382, 15228, 15555, 15980, 16470, 17202, 18666, 19035, 19764, 20740, 21573, 23970, 24705, 25380, 25803, 27540, 27999, 28670, 28764, 31110, 32940, 34404, 35955, 37332, 38070, 43005, 43146, 46665, 47940, 48739, 49410, 51606, 55998, 57340, 62220, 64719, 71910, 76140, 77409, 83997, 86010, 86292, 93330, 97478, 98820, 103212, 107865, 111996, 129015, 129438, 139995, 143820, 146217, 154818, 167994, 172020, 186660, 194956, 215730, 232227, 243695, 258030, 258876, 279990, 292434, 309636, 323595, 335988, 387045, 419985, 431460, 438651, 464454, 487390, 516060, 559980, 584868, 647190, 731085, 774090, 839970, 877302, 928908, 974780, 1161135, 1294380, 1315953, 1462170, 1548180, 1679940, 1754604, 2193255, 2322270, 2631906, 2924340, 3947859, 4386510, 4644540, 5263812, 6579765, 7895718, 8773020, 13159530, 15791436, 19739295, 26319060, 39478590, 78957180]

約数ペア:

[(1, 78957180), (2, 39478590), (3, 26319060), (4, 19739295), (5, 15791436), (6, 13159530), (9, 8773020), (10, 7895718), (12, 6579765), (15, 5263812), (17, 4644540), (18, 4386510), (20, 3947859), (27, 2924340), (30, 2631906), (34, 2322270), (36, 2193255), (45, 1754604), (47, 1679940), (51, 1548180), (54, 1462170), (60, 1315953), (61, 1294380), (68, 1161135), (81, 974780), (85, 928908), (90, 877302), (94, 839970), (102, 774090), (108, 731085), (122, 647190), (135, 584868), (141, 559980), (153, 516060), (162, 487390), (170, 464454), (180, 438651), (183, 431460), (188, 419985), (204, 387045), (235, 335988), (244, 323595), (255, 309636), (270, 292434), (282, 279990), (305, 258876), (306, 258030), (324, 243695), (340, 232227), (366, 215730), (405, 194956), (423, 186660), (459, 172020), (470, 167994), (510, 154818), (540, 146217), (549, 143820), (564, 139995), (610, 129438), (612, 129015), (705, 111996), (732, 107865), (765, 103212), (799, 98820), (810, 97478), (846, 93330), (915, 86292), (918, 86010), (940, 83997), (1020, 77409), (1037, 76140), (1098, 71910), (1220, 64719), (1269, 62220), (1377, 57340), (1410, 55998), (1530, 51606), (1598, 49410), (1620, 48739), (1647, 47940), (1692, 46665), (1830, 43146), (1836, 43005), (2074, 38070), (2115, 37332), (2196, 35955), (2295, 34404), (2397, 32940), (2538, 31110), (2745, 28764), (2754, 28670), (2820, 27999), (2867, 27540), (3060, 25803), (3111, 25380), (3196, 24705), (3294, 23970), (3660, 21573), (3807, 20740), (3995, 19764), (4148, 19035), (4230, 18666), (4590, 17202), (4794, 16470), (4941, 15980), (5076, 15555), (5185, 15228), (5490, 14382), (5508, 14335), (5734, 13770), (6222, 12690), (6345, 12444), (6588, 11985), (6885, 11468), (7191, 10980), (7614, 10370), (7990, 9882), (8235, 9588), (8460, 9333), (8601, 9180)]