681405480

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{521}}^1$

素因数の和:721

約数の個数: 256

約数和(自身を含む): 2615846400

約数和(自身を除く): 1934440920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 173, 180, 189, 210, 216, 252, 270, 280, 315, 346, 360, 378, 420, 504, 519, 521, 540, 630, 692, 756, 840, 865, 945, 1038, 1042, 1080, 1211, 1260, 1384, 1512, 1557, 1563, 1730, 1890, 2076, 2084, 2422, 2520, 2595, 2605, 3114, 3126, 3460, 3633, 3647, 3780, 4152, 4168, 4671, 4689, 4844, 5190, 5210, 6055, 6228, 6252, 6920, 7266, 7294, 7560, 7785, 7815, 9342, 9378, 9688, 10380, 10420, 10899, 10941, 12110, 12456, 12504, 14067, 14532, 14588, 15570, 15630, 18165, 18235, 18684, 18756, 20760, 20840, 21798, 21882, 23355, 23445, 24220, 28134, 29064, 29176, 31140, 31260, 32697, 32823, 36330, 36470, 37368, 37512, 43596, 43764, 46710, 46890, 48440, 54495, 54705, 56268, 62280, 62520, 65394, 65646, 70335, 72660, 72940, 87192, 87528, 90133, 93420, 93780, 98469, 108990, 109410, 112536, 130788, 131292, 140670, 145320, 145880, 163485, 164115, 180266, 186840, 187560, 196938, 217980, 218820, 261576, 262584, 270399, 281340, 326970, 328230, 360532, 393876, 435960, 437640, 450665, 492345, 540798, 562680, 630931, 653940, 656460, 721064, 787752, 811197, 901330, 984690, 1081596, 1261862, 1307880, 1312920, 1351995, 1622394, 1802660, 1892793, 1969380, 2163192, 2433591, 2523724, 2703990, 3154655, 3244788, 3605320, 3785586, 3938760, 4055985, 4867182, 5047448, 5407980, 5678379, 6309310, 6489576, 7571172, 8111970, 9463965, 9734364, 10815960, 11356758, 12167955, 12618620, 15142344, 16223940, 17035137, 18927930, 19468728, 22713516, 24335910, 25237240, 28391895, 32447880, 34070274, 37855860, 45427032, 48671820, 56783790, 68140548, 75711720, 85175685, 97343640, 113567580, 136281096, 170351370, 227135160, 340702740, 681405480]

約数ペア:

[(1, 681405480), (2, 340702740), (3, 227135160), (4, 170351370), (5, 136281096), (6, 113567580), (7, 97343640), (8, 85175685), (9, 75711720), (10, 68140548), (12, 56783790), (14, 48671820), (15, 45427032), (18, 37855860), (20, 34070274), (21, 32447880), (24, 28391895), (27, 25237240), (28, 24335910), (30, 22713516), (35, 19468728), (36, 18927930), (40, 17035137), (42, 16223940), (45, 15142344), (54, 12618620), (56, 12167955), (60, 11356758), (63, 10815960), (70, 9734364), (72, 9463965), (84, 8111970), (90, 7571172), (105, 6489576), (108, 6309310), (120, 5678379), (126, 5407980), (135, 5047448), (140, 4867182), (168, 4055985), (173, 3938760), (180, 3785586), (189, 3605320), (210, 3244788), (216, 3154655), (252, 2703990), (270, 2523724), (280, 2433591), (315, 2163192), (346, 1969380), (360, 1892793), (378, 1802660), (420, 1622394), (504, 1351995), (519, 1312920), (521, 1307880), (540, 1261862), (630, 1081596), (692, 984690), (756, 901330), (840, 811197), (865, 787752), (945, 721064), (1038, 656460), (1042, 653940), (1080, 630931), (1211, 562680), (1260, 540798), (1384, 492345), (1512, 450665), (1557, 437640), (1563, 435960), (1730, 393876), (1890, 360532), (2076, 328230), (2084, 326970), (2422, 281340), (2520, 270399), (2595, 262584), (2605, 261576), (3114, 218820), (3126, 217980), (3460, 196938), (3633, 187560), (3647, 186840), (3780, 180266), (4152, 164115), (4168, 163485), (4671, 145880), (4689, 145320), (4844, 140670), (5190, 131292), (5210, 130788), (6055, 112536), (6228, 109410), (6252, 108990), (6920, 98469), (7266, 93780), (7294, 93420), (7560, 90133), (7785, 87528), (7815, 87192), (9342, 72940), (9378, 72660), (9688, 70335), (10380, 65646), (10420, 65394), (10899, 62520), (10941, 62280), (12110, 56268), (12456, 54705), (12504, 54495), (14067, 48440), (14532, 46890), (14588, 46710), (15570, 43764), (15630, 43596), (18165, 37512), (18235, 37368), (18684, 36470), (18756, 36330), (20760, 32823), (20840, 32697), (21798, 31260), (21882, 31140), (23355, 29176), (23445, 29064), (24220, 28134)]