71487120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:353

約数の個数: 160

約数和(自身を含む): 238020480

約数和(自身を除く): 166533360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 61, 76, 80, 95, 114, 120, 122, 152, 183, 190, 228, 240, 244, 257, 285, 304, 305, 366, 380, 456, 488, 514, 570, 610, 732, 760, 771, 912, 915, 976, 1028, 1140, 1159, 1220, 1285, 1464, 1520, 1542, 1830, 2056, 2280, 2318, 2440, 2570, 2928, 3084, 3477, 3660, 3855, 4112, 4560, 4636, 4880, 4883, 5140, 5795, 6168, 6954, 7320, 7710, 9272, 9766, 10280, 11590, 12336, 13908, 14640, 14649, 15420, 15677, 17385, 18544, 19532, 20560, 23180, 24415, 27816, 29298, 30840, 31354, 34770, 39064, 46360, 47031, 48830, 55632, 58596, 61680, 62708, 69540, 73245, 78128, 78385, 92720, 94062, 97660, 117192, 125416, 139080, 146490, 156770, 188124, 195320, 234384, 235155, 250832, 278160, 292980, 297863, 313540, 376248, 390640, 470310, 585960, 595726, 627080, 752496, 893589, 940620, 1171920, 1191452, 1254160, 1489315, 1787178, 1881240, 2382904, 2978630, 3574356, 3762480, 4467945, 4765808, 5957260, 7148712, 8935890, 11914520, 14297424, 17871780, 23829040, 35743560, 71487120]

約数ペア:

[(1, 71487120), (2, 35743560), (3, 23829040), (4, 17871780), (5, 14297424), (6, 11914520), (8, 8935890), (10, 7148712), (12, 5957260), (15, 4765808), (16, 4467945), (19, 3762480), (20, 3574356), (24, 2978630), (30, 2382904), (38, 1881240), (40, 1787178), (48, 1489315), (57, 1254160), (60, 1191452), (61, 1171920), (76, 940620), (80, 893589), (95, 752496), (114, 627080), (120, 595726), (122, 585960), (152, 470310), (183, 390640), (190, 376248), (228, 313540), (240, 297863), (244, 292980), (257, 278160), (285, 250832), (304, 235155), (305, 234384), (366, 195320), (380, 188124), (456, 156770), (488, 146490), (514, 139080), (570, 125416), (610, 117192), (732, 97660), (760, 94062), (771, 92720), (912, 78385), (915, 78128), (976, 73245), (1028, 69540), (1140, 62708), (1159, 61680), (1220, 58596), (1285, 55632), (1464, 48830), (1520, 47031), (1542, 46360), (1830, 39064), (2056, 34770), (2280, 31354), (2318, 30840), (2440, 29298), (2570, 27816), (2928, 24415), (3084, 23180), (3477, 20560), (3660, 19532), (3855, 18544), (4112, 17385), (4560, 15677), (4636, 15420), (4880, 14649), (4883, 14640), (5140, 13908), (5795, 12336), (6168, 11590), (6954, 10280), (7320, 9766), (7710, 9272)]