816649120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:643

約数の個数: 192

約数和(自身を含む): 2333270016

約数和(自身を除く): 1516620896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 43, 56, 62, 70, 80, 86, 112, 124, 140, 155, 160, 172, 215, 217, 224, 248, 280, 301, 310, 344, 430, 434, 496, 547, 560, 602, 620, 688, 860, 868, 992, 1085, 1094, 1120, 1204, 1240, 1333, 1376, 1505, 1720, 1736, 2170, 2188, 2408, 2480, 2666, 2735, 3010, 3440, 3472, 3829, 4340, 4376, 4816, 4960, 5332, 5470, 6020, 6665, 6880, 6944, 7658, 8680, 8752, 9331, 9632, 10664, 10940, 12040, 13330, 15316, 16957, 17360, 17504, 18662, 19145, 21328, 21880, 23521, 24080, 26660, 30632, 33914, 34720, 37324, 38290, 42656, 43760, 46655, 47042, 48160, 53320, 61264, 67828, 74648, 76580, 84785, 87520, 93310, 94084, 106640, 117605, 118699, 122528, 135656, 149296, 153160, 164647, 169570, 186620, 188168, 213280, 235210, 237398, 271312, 298592, 306320, 329294, 339140, 373240, 376336, 470420, 474796, 542624, 593495, 612640, 658588, 678280, 729151, 746480, 752672, 823235, 940840, 949592, 1186990, 1317176, 1356560, 1458302, 1492960, 1646470, 1881680, 1899184, 2373980, 2634352, 2713120, 2916604, 3292940, 3645755, 3763360, 3798368, 4747960, 5104057, 5268704, 5833208, 6585880, 7291510, 9495920, 10208114, 11666416, 13171760, 14583020, 18991840, 20416228, 23332832, 25520285, 26343520, 29166040, 40832456, 51040570, 58332080, 81664912, 102081140, 116664160, 163329824, 204162280, 408324560, 816649120]

約数ペア:

[(1, 816649120), (2, 408324560), (4, 204162280), (5, 163329824), (7, 116664160), (8, 102081140), (10, 81664912), (14, 58332080), (16, 51040570), (20, 40832456), (28, 29166040), (31, 26343520), (32, 25520285), (35, 23332832), (40, 20416228), (43, 18991840), (56, 14583020), (62, 13171760), (70, 11666416), (80, 10208114), (86, 9495920), (112, 7291510), (124, 6585880), (140, 5833208), (155, 5268704), (160, 5104057), (172, 4747960), (215, 3798368), (217, 3763360), (224, 3645755), (248, 3292940), (280, 2916604), (301, 2713120), (310, 2634352), (344, 2373980), (430, 1899184), (434, 1881680), (496, 1646470), (547, 1492960), (560, 1458302), (602, 1356560), (620, 1317176), (688, 1186990), (860, 949592), (868, 940840), (992, 823235), (1085, 752672), (1094, 746480), (1120, 729151), (1204, 678280), (1240, 658588), (1333, 612640), (1376, 593495), (1505, 542624), (1720, 474796), (1736, 470420), (2170, 376336), (2188, 373240), (2408, 339140), (2480, 329294), (2666, 306320), (2735, 298592), (3010, 271312), (3440, 237398), (3472, 235210), (3829, 213280), (4340, 188168), (4376, 186620), (4816, 169570), (4960, 164647), (5332, 153160), (5470, 149296), (6020, 135656), (6665, 122528), (6880, 118699), (6944, 117605), (7658, 106640), (8680, 94084), (8752, 93310), (9331, 87520), (9632, 84785), (10664, 76580), (10940, 74648), (12040, 67828), (13330, 61264), (15316, 53320), (16957, 48160), (17360, 47042), (17504, 46655), (18662, 43760), (19145, 42656), (21328, 38290), (21880, 37324), (23521, 34720), (24080, 33914), (26660, 30632)]