80207360

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:156

約数の個数: 160

約数和(自身を含む): 216548640

約数和(自身を除く): 136341280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 97, 128, 136, 152, 160, 170, 190, 194, 256, 272, 304, 320, 323, 340, 380, 388, 485, 512, 544, 608, 640, 646, 680, 760, 776, 970, 1088, 1216, 1280, 1292, 1360, 1520, 1552, 1615, 1649, 1843, 1940, 2176, 2432, 2560, 2584, 2720, 3040, 3104, 3230, 3298, 3686, 3880, 4352, 4864, 5168, 5440, 6080, 6208, 6460, 6596, 7372, 7760, 8245, 8704, 9215, 9728, 10336, 10880, 12160, 12416, 12920, 13192, 14744, 15520, 16490, 18430, 20672, 21760, 24320, 24832, 25840, 26384, 29488, 31040, 31331, 32980, 36860, 41344, 43520, 48640, 49664, 51680, 52768, 58976, 62080, 62662, 65960, 73720, 82688, 103360, 105536, 117952, 124160, 125324, 131920, 147440, 156655, 165376, 206720, 211072, 235904, 248320, 250648, 263840, 294880, 313310, 413440, 422144, 471808, 501296, 527680, 589760, 626620, 826880, 844288, 943616, 1002592, 1055360, 1179520, 1253240, 2005184, 2110720, 2359040, 2506480, 4010368, 4221440, 4718080, 5012960, 8020736, 10025920, 16041472, 20051840, 40103680, 80207360]

約数ペア:

[(1, 80207360), (2, 40103680), (4, 20051840), (5, 16041472), (8, 10025920), (10, 8020736), (16, 5012960), (17, 4718080), (19, 4221440), (20, 4010368), (32, 2506480), (34, 2359040), (38, 2110720), (40, 2005184), (64, 1253240), (68, 1179520), (76, 1055360), (80, 1002592), (85, 943616), (95, 844288), (97, 826880), (128, 626620), (136, 589760), (152, 527680), (160, 501296), (170, 471808), (190, 422144), (194, 413440), (256, 313310), (272, 294880), (304, 263840), (320, 250648), (323, 248320), (340, 235904), (380, 211072), (388, 206720), (485, 165376), (512, 156655), (544, 147440), (608, 131920), (640, 125324), (646, 124160), (680, 117952), (760, 105536), (776, 103360), (970, 82688), (1088, 73720), (1216, 65960), (1280, 62662), (1292, 62080), (1360, 58976), (1520, 52768), (1552, 51680), (1615, 49664), (1649, 48640), (1843, 43520), (1940, 41344), (2176, 36860), (2432, 32980), (2560, 31331), (2584, 31040), (2720, 29488), (3040, 26384), (3104, 25840), (3230, 24832), (3298, 24320), (3686, 21760), (3880, 20672), (4352, 18430), (4864, 16490), (5168, 15520), (5440, 14744), (6080, 13192), (6208, 12920), (6460, 12416), (6596, 12160), (7372, 10880), (7760, 10336), (8245, 9728), (8704, 9215)]