209664780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:121

約数の個数: 288

約数和(自身を含む): 708341760

約数和(自身を除く): 498676980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 29, 30, 31, 39, 46, 52, 58, 60, 62, 65, 69, 78, 87, 92, 93, 115, 116, 124, 130, 138, 145, 155, 156, 169, 174, 186, 195, 230, 260, 276, 290, 299, 310, 338, 345, 348, 372, 377, 390, 403, 435, 460, 465, 507, 580, 598, 620, 667, 676, 690, 713, 754, 780, 806, 845, 870, 897, 899, 930, 1014, 1131, 1196, 1209, 1334, 1380, 1426, 1495, 1508, 1612, 1690, 1740, 1794, 1798, 1860, 1885, 2001, 2015, 2028, 2139, 2262, 2418, 2535, 2668, 2697, 2852, 2990, 3335, 3380, 3565, 3588, 3596, 3770, 3887, 4002, 4030, 4278, 4485, 4495, 4524, 4836, 4901, 5070, 5239, 5394, 5655, 5980, 6045, 6670, 7130, 7540, 7774, 8004, 8060, 8556, 8671, 8970, 8990, 9269, 9802, 10005, 10140, 10478, 10695, 10788, 11310, 11661, 11687, 12090, 13340, 13485, 14260, 14703, 15548, 15717, 17342, 17940, 17980, 18538, 19435, 19604, 20010, 20677, 20956, 21390, 22620, 23322, 23374, 24180, 24505, 26013, 26195, 26970, 27807, 29406, 31434, 34684, 35061, 37076, 38870, 40020, 41354, 42780, 43355, 46345, 46644, 46748, 49010, 52026, 52390, 53940, 55614, 58305, 58435, 58812, 62031, 62868, 70122, 73515, 77740, 78585, 82708, 86710, 92690, 98020, 103385, 104052, 104780, 111228, 112723, 116610, 116870, 120497, 124062, 130065, 139035, 140244, 147030, 151931, 157170, 173420, 175305, 185380, 206770, 225446, 233220, 233740, 240994, 248124, 260130, 268801, 278070, 294060, 303862, 310155, 314340, 338169, 350610, 361491, 413540, 450892, 455793, 481988, 520260, 537602, 556140, 563615, 602485, 607724, 620310, 676338, 701220, 722982, 759655, 806403, 911586, 1075204, 1127230, 1204970, 1240620, 1344005, 1352676, 1445964, 1519310, 1612806, 1690845, 1807455, 1823172, 2254460, 2278965, 2409940, 2688010, 3038620, 3225612, 3381690, 3494413, 3614910, 4032015, 4557930, 5376020, 6763380, 6988826, 7229820, 8064030, 9115860, 10483239, 13977652, 16128060, 17472065, 20966478, 34944130, 41932956, 52416195, 69888260, 104832390, 209664780]

約数ペア:

[(1, 209664780), (2, 104832390), (3, 69888260), (4, 52416195), (5, 41932956), (6, 34944130), (10, 20966478), (12, 17472065), (13, 16128060), (15, 13977652), (20, 10483239), (23, 9115860), (26, 8064030), (29, 7229820), (30, 6988826), (31, 6763380), (39, 5376020), (46, 4557930), (52, 4032015), (58, 3614910), (60, 3494413), (62, 3381690), (65, 3225612), (69, 3038620), (78, 2688010), (87, 2409940), (92, 2278965), (93, 2254460), (115, 1823172), (116, 1807455), (124, 1690845), (130, 1612806), (138, 1519310), (145, 1445964), (155, 1352676), (156, 1344005), (169, 1240620), (174, 1204970), (186, 1127230), (195, 1075204), (230, 911586), (260, 806403), (276, 759655), (290, 722982), (299, 701220), (310, 676338), (338, 620310), (345, 607724), (348, 602485), (372, 563615), (377, 556140), (390, 537602), (403, 520260), (435, 481988), (460, 455793), (465, 450892), (507, 413540), (580, 361491), (598, 350610), (620, 338169), (667, 314340), (676, 310155), (690, 303862), (713, 294060), (754, 278070), (780, 268801), (806, 260130), (845, 248124), (870, 240994), (897, 233740), (899, 233220), (930, 225446), (1014, 206770), (1131, 185380), (1196, 175305), (1209, 173420), (1334, 157170), (1380, 151931), (1426, 147030), (1495, 140244), (1508, 139035), (1612, 130065), (1690, 124062), (1740, 120497), (1794, 116870), (1798, 116610), (1860, 112723), (1885, 111228), (2001, 104780), (2015, 104052), (2028, 103385), (2139, 98020), (2262, 92690), (2418, 86710), (2535, 82708), (2668, 78585), (2697, 77740), (2852, 73515), (2990, 70122), (3335, 62868), (3380, 62031), (3565, 58812), (3588, 58435), (3596, 58305), (3770, 55614), (3887, 53940), (4002, 52390), (4030, 52026), (4278, 49010), (4485, 46748), (4495, 46644), (4524, 46345), (4836, 43355), (4901, 42780), (5070, 41354), (5239, 40020), (5394, 38870), (5655, 37076), (5980, 35061), (6045, 34684), (6670, 31434), (7130, 29406), (7540, 27807), (7774, 26970), (8004, 26195), (8060, 26013), (8556, 24505), (8671, 24180), (8970, 23374), (8990, 23322), (9269, 22620), (9802, 21390), (10005, 20956), (10140, 20677), (10478, 20010), (10695, 19604), (10788, 19435), (11310, 18538), (11661, 17980), (11687, 17940), (12090, 17342), (13340, 15717), (13485, 15548), (14260, 14703)]