15345540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:682

約数の個数: 144

約数和(自身を含む): 56085120

約数和(自身を除く): 40739580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 641, 665, 684, 798, 855, 1140, 1197, 1260, 1282, 1330, 1596, 1710, 1923, 1995, 2394, 2564, 2660, 3205, 3420, 3846, 3990, 4487, 4788, 5769, 5985, 6410, 7692, 7980, 8974, 9615, 11538, 11970, 12179, 12820, 13461, 17948, 19230, 22435, 23076, 23940, 24358, 26922, 28845, 36537, 38460, 40383, 44870, 48716, 53844, 57690, 60895, 67305, 73074, 80766, 85253, 89740, 109611, 115380, 121790, 134610, 146148, 161532, 170506, 182685, 201915, 219222, 243580, 255759, 269220, 341012, 365370, 403830, 426265, 438444, 511518, 548055, 730740, 767277, 807660, 852530, 1023036, 1096110, 1278795, 1534554, 1705060, 2192220, 2557590, 3069108, 3836385, 5115180, 7672770, 15345540]

約数ペア:

[(1, 15345540), (2, 7672770), (3, 5115180), (4, 3836385), (5, 3069108), (6, 2557590), (7, 2192220), (9, 1705060), (10, 1534554), (12, 1278795), (14, 1096110), (15, 1023036), (18, 852530), (19, 807660), (20, 767277), (21, 730740), (28, 548055), (30, 511518), (35, 438444), (36, 426265), (38, 403830), (42, 365370), (45, 341012), (57, 269220), (60, 255759), (63, 243580), (70, 219222), (76, 201915), (84, 182685), (90, 170506), (95, 161532), (105, 146148), (114, 134610), (126, 121790), (133, 115380), (140, 109611), (171, 89740), (180, 85253), (190, 80766), (210, 73074), (228, 67305), (252, 60895), (266, 57690), (285, 53844), (315, 48716), (342, 44870), (380, 40383), (399, 38460), (420, 36537), (532, 28845), (570, 26922), (630, 24358), (641, 23940), (665, 23076), (684, 22435), (798, 19230), (855, 17948), (1140, 13461), (1197, 12820), (1260, 12179), (1282, 11970), (1330, 11538), (1596, 9615), (1710, 8974), (1923, 7980), (1995, 7692), (2394, 6410), (2564, 5985), (2660, 5769), (3205, 4788), (3420, 4487), (3846, 3990)]