172816640

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 440400240

約数和(自身を除く): 267583600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 41, 64, 74, 80, 82, 89, 128, 148, 160, 164, 178, 185, 205, 256, 296, 320, 328, 356, 370, 410, 445, 592, 640, 656, 712, 740, 820, 890, 1184, 1280, 1312, 1424, 1480, 1517, 1640, 1780, 2368, 2624, 2848, 2960, 3034, 3280, 3293, 3560, 3649, 4736, 5248, 5696, 5920, 6068, 6560, 6586, 7120, 7298, 7585, 9472, 10496, 11392, 11840, 12136, 13120, 13172, 14240, 14596, 15170, 16465, 18245, 22784, 23680, 24272, 26240, 26344, 28480, 29192, 30340, 32930, 36490, 47360, 48544, 52480, 52688, 56960, 58384, 60680, 65860, 72980, 97088, 105376, 113920, 116768, 121360, 131720, 135013, 145960, 194176, 210752, 233536, 242720, 263440, 270026, 291920, 388352, 421504, 467072, 485440, 526880, 540052, 583840, 675065, 843008, 934144, 970880, 1053760, 1080104, 1167680, 1350130, 1941760, 2107520, 2160208, 2335360, 2700260, 4215040, 4320416, 4670720, 5400520, 8640832, 10801040, 17281664, 21602080, 34563328, 43204160, 86408320, 172816640]

約数ペア:

[(1, 172816640), (2, 86408320), (4, 43204160), (5, 34563328), (8, 21602080), (10, 17281664), (16, 10801040), (20, 8640832), (32, 5400520), (37, 4670720), (40, 4320416), (41, 4215040), (64, 2700260), (74, 2335360), (80, 2160208), (82, 2107520), (89, 1941760), (128, 1350130), (148, 1167680), (160, 1080104), (164, 1053760), (178, 970880), (185, 934144), (205, 843008), (256, 675065), (296, 583840), (320, 540052), (328, 526880), (356, 485440), (370, 467072), (410, 421504), (445, 388352), (592, 291920), (640, 270026), (656, 263440), (712, 242720), (740, 233536), (820, 210752), (890, 194176), (1184, 145960), (1280, 135013), (1312, 131720), (1424, 121360), (1480, 116768), (1517, 113920), (1640, 105376), (1780, 97088), (2368, 72980), (2624, 65860), (2848, 60680), (2960, 58384), (3034, 56960), (3280, 52688), (3293, 52480), (3560, 48544), (3649, 47360), (4736, 36490), (5248, 32930), (5696, 30340), (5920, 29192), (6068, 28480), (6560, 26344), (6586, 26240), (7120, 24272), (7298, 23680), (7585, 22784), (9472, 18245), (10496, 16465), (11392, 15170), (11840, 14596), (12136, 14240), (13120, 13172)]