30514540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 77414400

約数和(自身を除く): 46899860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 79, 89, 124, 140, 155, 158, 178, 217, 310, 316, 356, 395, 434, 445, 553, 620, 623, 790, 868, 890, 1085, 1106, 1246, 1580, 1780, 2170, 2212, 2449, 2492, 2759, 2765, 3115, 4340, 4898, 5518, 5530, 6230, 7031, 9796, 11036, 11060, 12245, 12460, 13795, 14062, 17143, 19313, 24490, 27590, 28124, 34286, 35155, 38626, 48980, 49217, 55180, 68572, 70310, 77252, 85715, 96565, 98434, 140620, 171430, 193130, 196868, 217961, 246085, 342860, 386260, 435922, 492170, 871844, 984340, 1089805, 1525727, 2179610, 3051454, 4359220, 6102908, 7628635, 15257270, 30514540]

約数ペア:

[(1, 30514540), (2, 15257270), (4, 7628635), (5, 6102908), (7, 4359220), (10, 3051454), (14, 2179610), (20, 1525727), (28, 1089805), (31, 984340), (35, 871844), (62, 492170), (70, 435922), (79, 386260), (89, 342860), (124, 246085), (140, 217961), (155, 196868), (158, 193130), (178, 171430), (217, 140620), (310, 98434), (316, 96565), (356, 85715), (395, 77252), (434, 70310), (445, 68572), (553, 55180), (620, 49217), (623, 48980), (790, 38626), (868, 35155), (890, 34286), (1085, 28124), (1106, 27590), (1246, 24490), (1580, 19313), (1780, 17143), (2170, 14062), (2212, 13795), (2449, 12460), (2492, 12245), (2759, 11060), (2765, 11036), (3115, 9796), (4340, 7031), (4898, 6230), (5518, 5530)]