128672040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:384

約数の個数: 192

約数和(自身を含む): 456364800

約数和(自身を除く): 327692760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 79, 84, 98, 105, 120, 140, 147, 158, 168, 196, 210, 237, 245, 277, 280, 294, 316, 392, 395, 420, 474, 490, 553, 554, 588, 632, 735, 790, 831, 840, 948, 980, 1106, 1108, 1176, 1185, 1385, 1470, 1580, 1659, 1662, 1896, 1939, 1960, 2212, 2216, 2370, 2765, 2770, 2940, 3160, 3318, 3324, 3871, 3878, 4155, 4424, 4740, 5530, 5540, 5817, 5880, 6636, 6648, 7742, 7756, 8295, 8310, 9480, 9695, 11060, 11080, 11613, 11634, 13272, 13573, 15484, 15512, 16590, 16620, 19355, 19390, 21883, 22120, 23226, 23268, 27146, 29085, 30968, 33180, 33240, 38710, 38780, 40719, 43766, 46452, 46536, 54292, 58065, 58170, 65649, 66360, 67865, 77420, 77560, 81438, 87532, 92904, 108584, 109415, 116130, 116340, 131298, 135730, 153181, 154840, 162876, 175064, 203595, 218830, 232260, 232680, 262596, 271460, 306362, 325752, 328245, 407190, 437660, 459543, 464520, 525192, 542920, 612724, 656490, 765905, 814380, 875320, 919086, 1072267, 1225448, 1312980, 1531810, 1628760, 1838172, 2144534, 2297715, 2625960, 3063620, 3216801, 3676344, 4289068, 4595430, 5361335, 6127240, 6433602, 8578136, 9190860, 10722670, 12867204, 16084005, 18381720, 21445340, 25734408, 32168010, 42890680, 64336020, 128672040]

約数ペア:

[(1, 128672040), (2, 64336020), (3, 42890680), (4, 32168010), (5, 25734408), (6, 21445340), (7, 18381720), (8, 16084005), (10, 12867204), (12, 10722670), (14, 9190860), (15, 8578136), (20, 6433602), (21, 6127240), (24, 5361335), (28, 4595430), (30, 4289068), (35, 3676344), (40, 3216801), (42, 3063620), (49, 2625960), (56, 2297715), (60, 2144534), (70, 1838172), (79, 1628760), (84, 1531810), (98, 1312980), (105, 1225448), (120, 1072267), (140, 919086), (147, 875320), (158, 814380), (168, 765905), (196, 656490), (210, 612724), (237, 542920), (245, 525192), (277, 464520), (280, 459543), (294, 437660), (316, 407190), (392, 328245), (395, 325752), (420, 306362), (474, 271460), (490, 262596), (553, 232680), (554, 232260), (588, 218830), (632, 203595), (735, 175064), (790, 162876), (831, 154840), (840, 153181), (948, 135730), (980, 131298), (1106, 116340), (1108, 116130), (1176, 109415), (1185, 108584), (1385, 92904), (1470, 87532), (1580, 81438), (1659, 77560), (1662, 77420), (1896, 67865), (1939, 66360), (1960, 65649), (2212, 58170), (2216, 58065), (2370, 54292), (2765, 46536), (2770, 46452), (2940, 43766), (3160, 40719), (3318, 38780), (3324, 38710), (3871, 33240), (3878, 33180), (4155, 30968), (4424, 29085), (4740, 27146), (5530, 23268), (5540, 23226), (5817, 22120), (5880, 21883), (6636, 19390), (6648, 19355), (7742, 16620), (7756, 16590), (8295, 15512), (8310, 15484), (9480, 13573), (9695, 13272), (11060, 11634), (11080, 11613)]