644907900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23623}}^1$

素因数の和:23660

約数の個数: 144

約数和(自身を含む): 2296630784

約数和(自身を除く): 1651722884

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 130, 140, 150, 156, 175, 182, 195, 210, 260, 273, 300, 325, 350, 364, 390, 420, 455, 525, 546, 650, 700, 780, 910, 975, 1050, 1092, 1300, 1365, 1820, 1950, 2100, 2275, 2730, 3900, 4550, 5460, 6825, 9100, 13650, 23623, 27300, 47246, 70869, 94492, 118115, 141738, 165361, 236230, 283476, 307099, 330722, 354345, 472460, 496083, 590575, 614198, 661444, 708690, 826805, 921297, 992166, 1181150, 1228396, 1417380, 1535495, 1653610, 1771725, 1842594, 1984332, 2149693, 2362300, 2480415, 3070990, 3307220, 3543450, 3685188, 4134025, 4299386, 4606485, 4960830, 6141980, 6449079, 7086900, 7677475, 8268050, 8598772, 9212970, 9921660, 10748465, 12402075, 12898158, 15354950, 16536100, 18425940, 21496930, 23032425, 24804150, 25796316, 30709900, 32245395, 42993860, 46064850, 49608300, 53742325, 64490790, 92129700, 107484650, 128981580, 161226975, 214969300, 322453950, 644907900]

約数ペア:

[(1, 644907900), (2, 322453950), (3, 214969300), (4, 161226975), (5, 128981580), (6, 107484650), (7, 92129700), (10, 64490790), (12, 53742325), (13, 49608300), (14, 46064850), (15, 42993860), (20, 32245395), (21, 30709900), (25, 25796316), (26, 24804150), (28, 23032425), (30, 21496930), (35, 18425940), (39, 16536100), (42, 15354950), (50, 12898158), (52, 12402075), (60, 10748465), (65, 9921660), (70, 9212970), (75, 8598772), (78, 8268050), (84, 7677475), (91, 7086900), (100, 6449079), (105, 6141980), (130, 4960830), (140, 4606485), (150, 4299386), (156, 4134025), (175, 3685188), (182, 3543450), (195, 3307220), (210, 3070990), (260, 2480415), (273, 2362300), (300, 2149693), (325, 1984332), (350, 1842594), (364, 1771725), (390, 1653610), (420, 1535495), (455, 1417380), (525, 1228396), (546, 1181150), (650, 992166), (700, 921297), (780, 826805), (910, 708690), (975, 661444), (1050, 614198), (1092, 590575), (1300, 496083), (1365, 472460), (1820, 354345), (1950, 330722), (2100, 307099), (2275, 283476), (2730, 236230), (3900, 165361), (4550, 141738), (5460, 118115), (6825, 94492), (9100, 70869), (13650, 47246), (23623, 27300)]