78609720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:518

約数の個数: 192

約数和(自身を含む): 284407200

約数和(自身を除く): 205797480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 49, 56, 58, 60, 70, 84, 87, 98, 105, 116, 120, 140, 145, 147, 168, 174, 196, 203, 210, 232, 245, 280, 290, 294, 348, 392, 406, 420, 435, 461, 490, 580, 588, 609, 696, 735, 812, 840, 870, 922, 980, 1015, 1160, 1176, 1218, 1383, 1421, 1470, 1624, 1740, 1844, 1960, 2030, 2305, 2436, 2766, 2842, 2940, 3045, 3227, 3480, 3688, 4060, 4263, 4610, 4872, 5532, 5684, 5880, 6090, 6454, 6915, 7105, 8120, 8526, 9220, 9681, 11064, 11368, 12180, 12908, 13369, 13830, 14210, 16135, 17052, 18440, 19362, 21315, 22589, 24360, 25816, 26738, 27660, 28420, 32270, 34104, 38724, 40107, 42630, 45178, 48405, 53476, 55320, 56840, 64540, 66845, 67767, 77448, 80214, 85260, 90356, 93583, 96810, 106952, 112945, 129080, 133690, 135534, 160428, 170520, 180712, 187166, 193620, 200535, 225890, 267380, 271068, 280749, 320856, 338835, 374332, 387240, 401070, 451780, 467915, 534760, 542136, 561498, 655081, 677670, 748664, 802140, 903560, 935830, 1122996, 1310162, 1355340, 1403745, 1604280, 1871660, 1965243, 2245992, 2620324, 2710680, 2807490, 3275405, 3743320, 3930486, 5240648, 5614980, 6550810, 7860972, 9826215, 11229960, 13101620, 15721944, 19652430, 26203240, 39304860, 78609720]

約数ペア:

[(1, 78609720), (2, 39304860), (3, 26203240), (4, 19652430), (5, 15721944), (6, 13101620), (7, 11229960), (8, 9826215), (10, 7860972), (12, 6550810), (14, 5614980), (15, 5240648), (20, 3930486), (21, 3743320), (24, 3275405), (28, 2807490), (29, 2710680), (30, 2620324), (35, 2245992), (40, 1965243), (42, 1871660), (49, 1604280), (56, 1403745), (58, 1355340), (60, 1310162), (70, 1122996), (84, 935830), (87, 903560), (98, 802140), (105, 748664), (116, 677670), (120, 655081), (140, 561498), (145, 542136), (147, 534760), (168, 467915), (174, 451780), (196, 401070), (203, 387240), (210, 374332), (232, 338835), (245, 320856), (280, 280749), (290, 271068), (294, 267380), (348, 225890), (392, 200535), (406, 193620), (420, 187166), (435, 180712), (461, 170520), (490, 160428), (580, 135534), (588, 133690), (609, 129080), (696, 112945), (735, 106952), (812, 96810), (840, 93583), (870, 90356), (922, 85260), (980, 80214), (1015, 77448), (1160, 67767), (1176, 66845), (1218, 64540), (1383, 56840), (1421, 55320), (1470, 53476), (1624, 48405), (1740, 45178), (1844, 42630), (1960, 40107), (2030, 38724), (2305, 34104), (2436, 32270), (2766, 28420), (2842, 27660), (2940, 26738), (3045, 25816), (3227, 24360), (3480, 22589), (3688, 21315), (4060, 19362), (4263, 18440), (4610, 17052), (4872, 16135), (5532, 14210), (5684, 13830), (5880, 13369), (6090, 12908), (6454, 12180), (6915, 11368), (7105, 11064), (8120, 9681), (8526, 9220)]