16964220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{239}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 59028480

約数和(自身を除く): 42064260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 239, 260, 273, 338, 364, 390, 420, 455, 478, 507, 546, 676, 717, 780, 845, 910, 956, 1014, 1092, 1183, 1195, 1365, 1434, 1673, 1690, 1820, 2028, 2366, 2390, 2535, 2730, 2868, 3107, 3346, 3380, 3549, 3585, 4732, 4780, 5019, 5070, 5460, 5915, 6214, 6692, 7098, 7170, 8365, 9321, 10038, 10140, 11830, 12428, 14196, 14340, 15535, 16730, 17745, 18642, 20076, 21749, 23660, 25095, 31070, 33460, 35490, 37284, 40391, 43498, 46605, 50190, 62140, 65247, 70980, 80782, 86996, 93210, 100380, 108745, 121173, 130494, 161564, 186420, 201955, 217490, 242346, 260988, 282737, 326235, 403910, 434980, 484692, 565474, 605865, 652470, 807820, 848211, 1130948, 1211730, 1304940, 1413685, 1696422, 2423460, 2827370, 3392844, 4241055, 5654740, 8482110, 16964220]

約数ペア:

[(1, 16964220), (2, 8482110), (3, 5654740), (4, 4241055), (5, 3392844), (6, 2827370), (7, 2423460), (10, 1696422), (12, 1413685), (13, 1304940), (14, 1211730), (15, 1130948), (20, 848211), (21, 807820), (26, 652470), (28, 605865), (30, 565474), (35, 484692), (39, 434980), (42, 403910), (52, 326235), (60, 282737), (65, 260988), (70, 242346), (78, 217490), (84, 201955), (91, 186420), (105, 161564), (130, 130494), (140, 121173), (156, 108745), (169, 100380), (182, 93210), (195, 86996), (210, 80782), (239, 70980), (260, 65247), (273, 62140), (338, 50190), (364, 46605), (390, 43498), (420, 40391), (455, 37284), (478, 35490), (507, 33460), (546, 31070), (676, 25095), (717, 23660), (780, 21749), (845, 20076), (910, 18642), (956, 17745), (1014, 16730), (1092, 15535), (1183, 14340), (1195, 14196), (1365, 12428), (1434, 11830), (1673, 10140), (1690, 10038), (1820, 9321), (2028, 8365), (2366, 7170), (2390, 7098), (2535, 6692), (2730, 6214), (2868, 5915), (3107, 5460), (3346, 5070), (3380, 5019), (3549, 4780), (3585, 4732)]