245981280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:381

約数の個数: 192

約数和(自身を含む): 815947776

約数和(自身を除く): 569966496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 61, 62, 80, 93, 96, 120, 122, 124, 155, 160, 183, 186, 240, 244, 248, 271, 305, 310, 366, 372, 465, 480, 488, 496, 542, 610, 620, 732, 744, 813, 915, 930, 976, 992, 1084, 1220, 1240, 1355, 1464, 1488, 1626, 1830, 1860, 1891, 1952, 2168, 2440, 2480, 2710, 2928, 2976, 3252, 3660, 3720, 3782, 4065, 4336, 4880, 4960, 5420, 5673, 5856, 6504, 7320, 7440, 7564, 8130, 8401, 8672, 9455, 9760, 10840, 11346, 13008, 14640, 14880, 15128, 16260, 16531, 16802, 18910, 21680, 22692, 25203, 26016, 28365, 29280, 30256, 32520, 33062, 33604, 37820, 42005, 43360, 45384, 49593, 50406, 56730, 60512, 65040, 66124, 67208, 75640, 82655, 84010, 90768, 99186, 100812, 113460, 126015, 130080, 132248, 134416, 151280, 165310, 168020, 181536, 198372, 201624, 226920, 247965, 252030, 264496, 268832, 302560, 330620, 336040, 396744, 403248, 453840, 495930, 504060, 512461, 528992, 661240, 672080, 793488, 806496, 907680, 991860, 1008120, 1024922, 1322480, 1344160, 1537383, 1586976, 1983720, 2016240, 2049844, 2562305, 2644960, 3074766, 3967440, 4032480, 4099688, 5124610, 6149532, 7686915, 7934880, 8199376, 10249220, 12299064, 15373830, 16398752, 20498440, 24598128, 30747660, 40996880, 49196256, 61495320, 81993760, 122990640, 245981280]

約数ペア:

[(1, 245981280), (2, 122990640), (3, 81993760), (4, 61495320), (5, 49196256), (6, 40996880), (8, 30747660), (10, 24598128), (12, 20498440), (15, 16398752), (16, 15373830), (20, 12299064), (24, 10249220), (30, 8199376), (31, 7934880), (32, 7686915), (40, 6149532), (48, 5124610), (60, 4099688), (61, 4032480), (62, 3967440), (80, 3074766), (93, 2644960), (96, 2562305), (120, 2049844), (122, 2016240), (124, 1983720), (155, 1586976), (160, 1537383), (183, 1344160), (186, 1322480), (240, 1024922), (244, 1008120), (248, 991860), (271, 907680), (305, 806496), (310, 793488), (366, 672080), (372, 661240), (465, 528992), (480, 512461), (488, 504060), (496, 495930), (542, 453840), (610, 403248), (620, 396744), (732, 336040), (744, 330620), (813, 302560), (915, 268832), (930, 264496), (976, 252030), (992, 247965), (1084, 226920), (1220, 201624), (1240, 198372), (1355, 181536), (1464, 168020), (1488, 165310), (1626, 151280), (1830, 134416), (1860, 132248), (1891, 130080), (1952, 126015), (2168, 113460), (2440, 100812), (2480, 99186), (2710, 90768), (2928, 84010), (2976, 82655), (3252, 75640), (3660, 67208), (3720, 66124), (3782, 65040), (4065, 60512), (4336, 56730), (4880, 50406), (4960, 49593), (5420, 45384), (5673, 43360), (5856, 42005), (6504, 37820), (7320, 33604), (7440, 33062), (7564, 32520), (8130, 30256), (8401, 29280), (8672, 28365), (9455, 26016), (9760, 25203), (10840, 22692), (11346, 21680), (13008, 18910), (14640, 16802), (14880, 16531), (15128, 16260)]