15678505220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{54709}}^1$

素因数の和:54837

約数の個数: 96

約数和(自身を含む): 39706329600

約数和(自身を除く): 24027824380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 89, 92, 115, 140, 161, 178, 230, 322, 356, 445, 460, 623, 644, 805, 890, 1246, 1610, 1780, 2047, 2492, 3115, 3220, 4094, 6230, 8188, 10235, 12460, 14329, 20470, 28658, 40940, 54709, 57316, 71645, 109418, 143290, 218836, 273545, 286580, 382963, 547090, 765926, 1094180, 1258307, 1531852, 1914815, 2516614, 3829630, 4869101, 5033228, 6291535, 7659260, 8808149, 9738202, 12583070, 17616298, 19476404, 24345505, 25166140, 34083707, 35232596, 44040745, 48691010, 68167414, 88081490, 97382020, 111989323, 136334828, 170418535, 176162980, 223978646, 340837070, 447957292, 559946615, 681674140, 783925261, 1119893230, 1567850522, 2239786460, 3135701044, 3919626305, 7839252610, 15678505220]

約数ペア:

[(1, 15678505220), (2, 7839252610), (4, 3919626305), (5, 3135701044), (7, 2239786460), (10, 1567850522), (14, 1119893230), (20, 783925261), (23, 681674140), (28, 559946615), (35, 447957292), (46, 340837070), (70, 223978646), (89, 176162980), (92, 170418535), (115, 136334828), (140, 111989323), (161, 97382020), (178, 88081490), (230, 68167414), (322, 48691010), (356, 44040745), (445, 35232596), (460, 34083707), (623, 25166140), (644, 24345505), (805, 19476404), (890, 17616298), (1246, 12583070), (1610, 9738202), (1780, 8808149), (2047, 7659260), (2492, 6291535), (3115, 5033228), (3220, 4869101), (4094, 3829630), (6230, 2516614), (8188, 1914815), (10235, 1531852), (12460, 1258307), (14329, 1094180), (20470, 765926), (28658, 547090), (40940, 382963), (54709, 286580), (57316, 273545), (71645, 218836), (109418, 143290)]