19776900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1$

素因数の和:502

約数の個数: 144

約数和(自身を含む): 67370688

約数和(自身を除く): 47593788

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 25, 26, 30, 33, 39, 44, 50, 52, 55, 60, 65, 66, 75, 78, 100, 110, 130, 132, 143, 150, 156, 165, 195, 220, 260, 275, 286, 300, 325, 330, 390, 429, 461, 550, 572, 650, 660, 715, 780, 825, 858, 922, 975, 1100, 1300, 1383, 1430, 1650, 1716, 1844, 1950, 2145, 2305, 2766, 2860, 3300, 3575, 3900, 4290, 4610, 5071, 5532, 5993, 6915, 7150, 8580, 9220, 10142, 10725, 11525, 11986, 13830, 14300, 15213, 17979, 20284, 21450, 23050, 23972, 25355, 27660, 29965, 30426, 34575, 35958, 42900, 46100, 50710, 59930, 60852, 65923, 69150, 71916, 76065, 89895, 101420, 119860, 126775, 131846, 138300, 149825, 152130, 179790, 197769, 253550, 263692, 299650, 304260, 329615, 359580, 380325, 395538, 449475, 507100, 599300, 659230, 760650, 791076, 898950, 988845, 1318460, 1521300, 1648075, 1797900, 1977690, 3296150, 3955380, 4944225, 6592300, 9888450, 19776900]

約数ペア:

[(1, 19776900), (2, 9888450), (3, 6592300), (4, 4944225), (5, 3955380), (6, 3296150), (10, 1977690), (11, 1797900), (12, 1648075), (13, 1521300), (15, 1318460), (20, 988845), (22, 898950), (25, 791076), (26, 760650), (30, 659230), (33, 599300), (39, 507100), (44, 449475), (50, 395538), (52, 380325), (55, 359580), (60, 329615), (65, 304260), (66, 299650), (75, 263692), (78, 253550), (100, 197769), (110, 179790), (130, 152130), (132, 149825), (143, 138300), (150, 131846), (156, 126775), (165, 119860), (195, 101420), (220, 89895), (260, 76065), (275, 71916), (286, 69150), (300, 65923), (325, 60852), (330, 59930), (390, 50710), (429, 46100), (461, 42900), (550, 35958), (572, 34575), (650, 30426), (660, 29965), (715, 27660), (780, 25355), (825, 23972), (858, 23050), (922, 21450), (975, 20284), (1100, 17979), (1300, 15213), (1383, 14300), (1430, 13830), (1650, 11986), (1716, 11525), (1844, 10725), (1950, 10142), (2145, 9220), (2305, 8580), (2766, 7150), (2860, 6915), (3300, 5993), (3575, 5532), (3900, 5071), (4290, 4610)]