239151720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{883}}^1$

素因数の和:995

約数の個数: 128

約数和(自身を含む): 749773440

約数和(自身を除く): 510621720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 61, 74, 111, 120, 122, 148, 183, 185, 222, 244, 296, 305, 366, 370, 444, 488, 555, 610, 732, 740, 883, 888, 915, 1110, 1220, 1464, 1480, 1766, 1830, 2220, 2257, 2440, 2649, 3532, 3660, 4415, 4440, 4514, 5298, 6771, 7064, 7320, 8830, 9028, 10596, 11285, 13245, 13542, 17660, 18056, 21192, 22570, 26490, 27084, 32671, 33855, 35320, 45140, 52980, 53863, 54168, 65342, 67710, 90280, 98013, 105960, 107726, 130684, 135420, 161589, 163355, 196026, 215452, 261368, 269315, 270840, 323178, 326710, 392052, 430904, 490065, 538630, 646356, 653420, 784104, 807945, 980130, 1077260, 1292712, 1306840, 1615890, 1960260, 1992931, 2154520, 3231780, 3920520, 3985862, 5978793, 6463560, 7971724, 9964655, 11957586, 15943448, 19929310, 23915172, 29893965, 39858620, 47830344, 59787930, 79717240, 119575860, 239151720]

約数ペア:

[(1, 239151720), (2, 119575860), (3, 79717240), (4, 59787930), (5, 47830344), (6, 39858620), (8, 29893965), (10, 23915172), (12, 19929310), (15, 15943448), (20, 11957586), (24, 9964655), (30, 7971724), (37, 6463560), (40, 5978793), (60, 3985862), (61, 3920520), (74, 3231780), (111, 2154520), (120, 1992931), (122, 1960260), (148, 1615890), (183, 1306840), (185, 1292712), (222, 1077260), (244, 980130), (296, 807945), (305, 784104), (366, 653420), (370, 646356), (444, 538630), (488, 490065), (555, 430904), (610, 392052), (732, 326710), (740, 323178), (883, 270840), (888, 269315), (915, 261368), (1110, 215452), (1220, 196026), (1464, 163355), (1480, 161589), (1766, 135420), (1830, 130684), (2220, 107726), (2257, 105960), (2440, 98013), (2649, 90280), (3532, 67710), (3660, 65342), (4415, 54168), (4440, 53863), (4514, 52980), (5298, 45140), (6771, 35320), (7064, 33855), (7320, 32671), (8830, 27084), (9028, 26490), (10596, 22570), (11285, 21192), (13245, 18056), (13542, 17660)]