74104020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 242515728

約数和(自身を除く): 168411708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 61, 68, 85, 90, 102, 122, 153, 170, 180, 183, 204, 244, 255, 305, 306, 340, 366, 397, 510, 549, 610, 612, 732, 765, 794, 915, 1020, 1037, 1098, 1191, 1220, 1530, 1588, 1830, 1985, 2074, 2196, 2382, 2745, 3060, 3111, 3573, 3660, 3970, 4148, 4764, 5185, 5490, 5955, 6222, 6749, 7146, 7940, 9333, 10370, 10980, 11910, 12444, 13498, 14292, 15555, 17865, 18666, 20247, 20740, 23820, 24217, 26996, 31110, 33745, 35730, 37332, 40494, 46665, 48434, 60741, 62220, 67490, 71460, 72651, 80988, 93330, 96868, 101235, 121085, 121482, 134980, 145302, 186660, 202470, 217953, 242170, 242964, 290604, 303705, 363255, 404940, 411689, 435906, 484340, 607410, 726510, 823378, 871812, 1089765, 1214820, 1235067, 1453020, 1646756, 2058445, 2179530, 2470134, 3705201, 4116890, 4359060, 4940268, 6175335, 7410402, 8233780, 12350670, 14820804, 18526005, 24701340, 37052010, 74104020]

約数ペア:

[(1, 74104020), (2, 37052010), (3, 24701340), (4, 18526005), (5, 14820804), (6, 12350670), (9, 8233780), (10, 7410402), (12, 6175335), (15, 4940268), (17, 4359060), (18, 4116890), (20, 3705201), (30, 2470134), (34, 2179530), (36, 2058445), (45, 1646756), (51, 1453020), (60, 1235067), (61, 1214820), (68, 1089765), (85, 871812), (90, 823378), (102, 726510), (122, 607410), (153, 484340), (170, 435906), (180, 411689), (183, 404940), (204, 363255), (244, 303705), (255, 290604), (305, 242964), (306, 242170), (340, 217953), (366, 202470), (397, 186660), (510, 145302), (549, 134980), (610, 121482), (612, 121085), (732, 101235), (765, 96868), (794, 93330), (915, 80988), (1020, 72651), (1037, 71460), (1098, 67490), (1191, 62220), (1220, 60741), (1530, 48434), (1588, 46665), (1830, 40494), (1985, 37332), (2074, 35730), (2196, 33745), (2382, 31110), (2745, 26996), (3060, 24217), (3111, 23820), (3573, 20740), (3660, 20247), (3970, 18666), (4148, 17865), (4764, 15555), (5185, 14292), (5490, 13498), (5955, 12444), (6222, 11910), (6749, 10980), (7146, 10370), (7940, 9333)]